8889439720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:376

約数の個数: 256

約数和(自身を含む): 24364154880

約数和(自身を除く): 15474715160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 61, 62, 70, 103, 122, 124, 140, 155, 163, 206, 217, 244, 248, 280, 305, 310, 326, 412, 427, 434, 488, 515, 610, 620, 652, 721, 815, 824, 854, 868, 1030, 1085, 1141, 1220, 1240, 1304, 1442, 1630, 1708, 1736, 1891, 2060, 2135, 2170, 2282, 2440, 2884, 3193, 3260, 3416, 3605, 3782, 4120, 4270, 4340, 4564, 5053, 5705, 5768, 6283, 6386, 6520, 7210, 7564, 8540, 8680, 9128, 9455, 9943, 10106, 11410, 12566, 12772, 13237, 14420, 15128, 15965, 16789, 17080, 18910, 19886, 20212, 22351, 22820, 25132, 25265, 25544, 26474, 28840, 31415, 31930, 33578, 35371, 37820, 39772, 40424, 43981, 44702, 45640, 49715, 50264, 50530, 52948, 62830, 63860, 66185, 67156, 69601, 70742, 75640, 79544, 83945, 87962, 89404, 99430, 101060, 105896, 111755, 117523, 125660, 127720, 132370, 134312, 139202, 141484, 167890, 175924, 176855, 178808, 194773, 198860, 202120, 219905, 223510, 235046, 251320, 264740, 278404, 282968, 308233, 335780, 348005, 351848, 353710, 389546, 397720, 439810, 447020, 470092, 520459, 529480, 556808, 587615, 616466, 671560, 696010, 707420, 779092, 879620, 894040, 940184, 973865, 1024129, 1040918, 1175230, 1232932, 1363411, 1392020, 1414840, 1541165, 1558184, 1759240, 1947730, 2048258, 2081836, 2157631, 2350460, 2465864, 2602295, 2726822, 2784040, 3082330, 3643213, 3895460, 4096516, 4163672, 4315262, 4700920, 5120645, 5204590, 5453644, 6164660, 6817055, 7168903, 7286426, 7790920, 8193032, 8630524, 10241290, 10409180, 10788155, 10907288, 12329320, 13634110, 14337806, 14572852, 17261048, 18216065, 20482580, 20818360, 21576310, 27268220, 28675612, 29145704, 31747999, 35844515, 36432130, 40965160, 43152620, 54536440, 57351224, 63495998, 71689030, 72864260, 86305240, 126991996, 143378060, 145728520, 158739995, 222235993, 253983992, 286756120, 317479990, 444471986, 634959980, 888943972, 1111179965, 1269919960, 1777887944, 2222359930, 4444719860, 8889439720]

約数ペア:

[(1, 8889439720), (2, 4444719860), (4, 2222359930), (5, 1777887944), (7, 1269919960), (8, 1111179965), (10, 888943972), (14, 634959980), (20, 444471986), (28, 317479990), (31, 286756120), (35, 253983992), (40, 222235993), (56, 158739995), (61, 145728520), (62, 143378060), (70, 126991996), (103, 86305240), (122, 72864260), (124, 71689030), (140, 63495998), (155, 57351224), (163, 54536440), (206, 43152620), (217, 40965160), (244, 36432130), (248, 35844515), (280, 31747999), (305, 29145704), (310, 28675612), (326, 27268220), (412, 21576310), (427, 20818360), (434, 20482580), (488, 18216065), (515, 17261048), (610, 14572852), (620, 14337806), (652, 13634110), (721, 12329320), (815, 10907288), (824, 10788155), (854, 10409180), (868, 10241290), (1030, 8630524), (1085, 8193032), (1141, 7790920), (1220, 7286426), (1240, 7168903), (1304, 6817055), (1442, 6164660), (1630, 5453644), (1708, 5204590), (1736, 5120645), (1891, 4700920), (2060, 4315262), (2135, 4163672), (2170, 4096516), (2282, 3895460), (2440, 3643213), (2884, 3082330), (3193, 2784040), (3260, 2726822), (3416, 2602295), (3605, 2465864), (3782, 2350460), (4120, 2157631), (4270, 2081836), (4340, 2048258), (4564, 1947730), (5053, 1759240), (5705, 1558184), (5768, 1541165), (6283, 1414840), (6386, 1392020), (6520, 1363411), (7210, 1232932), (7564, 1175230), (8540, 1040918), (8680, 1024129), (9128, 973865), (9455, 940184), (9943, 894040), (10106, 879620), (11410, 779092), (12566, 707420), (12772, 696010), (13237, 671560), (14420, 616466), (15128, 587615), (15965, 556808), (16789, 529480), (17080, 520459), (18910, 470092), (19886, 447020), (20212, 439810), (22351, 397720), (22820, 389546), (25132, 353710), (25265, 351848), (25544, 348005), (26474, 335780), (28840, 308233), (31415, 282968), (31930, 278404), (33578, 264740), (35371, 251320), (37820, 235046), (39772, 223510), (40424, 219905), (43981, 202120), (44702, 198860), (45640, 194773), (49715, 178808), (50264, 176855), (50530, 175924), (52948, 167890), (62830, 141484), (63860, 139202), (66185, 134312), (67156, 132370), (69601, 127720), (70742, 125660), (75640, 117523), (79544, 111755), (83945, 105896), (87962, 101060), (89404, 99430)]