397393360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:95

約数の個数: 320

約数和(自身を含む): 1274918400

約数和(自身を除く): 877525040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 19, 20, 26, 28, 34, 35, 38, 40, 52, 56, 65, 68, 70, 76, 80, 85, 91, 95, 104, 112, 119, 130, 133, 136, 140, 152, 169, 170, 182, 190, 208, 221, 238, 247, 260, 266, 272, 280, 304, 323, 338, 340, 364, 380, 442, 455, 476, 494, 520, 532, 560, 595, 646, 665, 676, 680, 728, 760, 845, 884, 910, 952, 988, 1040, 1064, 1105, 1183, 1190, 1235, 1292, 1330, 1352, 1360, 1456, 1520, 1547, 1615, 1690, 1729, 1768, 1820, 1904, 1976, 2128, 2197, 2210, 2261, 2366, 2380, 2470, 2584, 2660, 2704, 2873, 3094, 3211, 3230, 3380, 3458, 3536, 3640, 3952, 4199, 4394, 4420, 4522, 4732, 4760, 4940, 5168, 5320, 5746, 5915, 6188, 6422, 6460, 6760, 6916, 7280, 7735, 8398, 8645, 8788, 8840, 9044, 9464, 9520, 9880, 10640, 10985, 11305, 11492, 11830, 12376, 12844, 12920, 13520, 13832, 14365, 15379, 15470, 16055, 16796, 17290, 17576, 17680, 18088, 18928, 19760, 20111, 20995, 21970, 22477, 22610, 22984, 23660, 24752, 25688, 25840, 27664, 28730, 29393, 30758, 30940, 32110, 33592, 34580, 35152, 36176, 37349, 40222, 41743, 41990, 43940, 44954, 45220, 45968, 47320, 51376, 54587, 57460, 58786, 61516, 61880, 64220, 67184, 69160, 74698, 76895, 80444, 83486, 83980, 87880, 89908, 90440, 94640, 100555, 109174, 112385, 114920, 117572, 123032, 123760, 128440, 138320, 146965, 149396, 153790, 160888, 166972, 167960, 175760, 179816, 180880, 186745, 201110, 208715, 218348, 224770, 229840, 235144, 246064, 256880, 261443, 272935, 292201, 293930, 298792, 307580, 321776, 333944, 335920, 359632, 373490, 382109, 402220, 417430, 436696, 449540, 470288, 522886, 545870, 584402, 587860, 597584, 615160, 667888, 709631, 746980, 764218, 804440, 834860, 873392, 899080, 1045772, 1091740, 1168804, 1175720, 1230320, 1307215, 1419262, 1461005, 1493960, 1528436, 1608880, 1669720, 1798160, 1910545, 2091544, 2183480, 2337608, 2351440, 2614430, 2838524, 2922010, 2987920, 3056872, 3339440, 3548155, 3821090, 4183088, 4366960, 4675216, 4967417, 5228860, 5677048, 5844020, 6113744, 7096310, 7642180, 9934834, 10457720, 11354096, 11688040, 14192620, 15284360, 19869668, 20915440, 23376080, 24837085, 28385240, 30568720, 39739336, 49674170, 56770480, 79478672, 99348340, 198696680, 397393360]

約数ペア:

[(1, 397393360), (2, 198696680), (4, 99348340), (5, 79478672), (7, 56770480), (8, 49674170), (10, 39739336), (13, 30568720), (14, 28385240), (16, 24837085), (17, 23376080), (19, 20915440), (20, 19869668), (26, 15284360), (28, 14192620), (34, 11688040), (35, 11354096), (38, 10457720), (40, 9934834), (52, 7642180), (56, 7096310), (65, 6113744), (68, 5844020), (70, 5677048), (76, 5228860), (80, 4967417), (85, 4675216), (91, 4366960), (95, 4183088), (104, 3821090), (112, 3548155), (119, 3339440), (130, 3056872), (133, 2987920), (136, 2922010), (140, 2838524), (152, 2614430), (169, 2351440), (170, 2337608), (182, 2183480), (190, 2091544), (208, 1910545), (221, 1798160), (238, 1669720), (247, 1608880), (260, 1528436), (266, 1493960), (272, 1461005), (280, 1419262), (304, 1307215), (323, 1230320), (338, 1175720), (340, 1168804), (364, 1091740), (380, 1045772), (442, 899080), (455, 873392), (476, 834860), (494, 804440), (520, 764218), (532, 746980), (560, 709631), (595, 667888), (646, 615160), (665, 597584), (676, 587860), (680, 584402), (728, 545870), (760, 522886), (845, 470288), (884, 449540), (910, 436696), (952, 417430), (988, 402220), (1040, 382109), (1064, 373490), (1105, 359632), (1183, 335920), (1190, 333944), (1235, 321776), (1292, 307580), (1330, 298792), (1352, 293930), (1360, 292201), (1456, 272935), (1520, 261443), (1547, 256880), (1615, 246064), (1690, 235144), (1729, 229840), (1768, 224770), (1820, 218348), (1904, 208715), (1976, 201110), (2128, 186745), (2197, 180880), (2210, 179816), (2261, 175760), (2366, 167960), (2380, 166972), (2470, 160888), (2584, 153790), (2660, 149396), (2704, 146965), (2873, 138320), (3094, 128440), (3211, 123760), (3230, 123032), (3380, 117572), (3458, 114920), (3536, 112385), (3640, 109174), (3952, 100555), (4199, 94640), (4394, 90440), (4420, 89908), (4522, 87880), (4732, 83980), (4760, 83486), (4940, 80444), (5168, 76895), (5320, 74698), (5746, 69160), (5915, 67184), (6188, 64220), (6422, 61880), (6460, 61516), (6760, 58786), (6916, 57460), (7280, 54587), (7735, 51376), (8398, 47320), (8645, 45968), (8788, 45220), (8840, 44954), (9044, 43940), (9464, 41990), (9520, 41743), (9880, 40222), (10640, 37349), (10985, 36176), (11305, 35152), (11492, 34580), (11830, 33592), (12376, 32110), (12844, 30940), (12920, 30758), (13520, 29393), (13832, 28730), (14365, 27664), (15379, 25840), (15470, 25688), (16055, 24752), (16796, 23660), (17290, 22984), (17576, 22610), (17680, 22477), (18088, 21970), (18928, 20995), (19760, 20111)]