389603760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17839}}^1$

素因数の和:17875

約数の個数: 160

約数和(自身を含む): 1486571520

約数和(自身を除く): 1096967760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 17839, 21840, 35678, 53517, 71356, 89195, 107034, 124873, 142712, 178390, 214068, 231907, 249746, 267585, 285424, 356780, 374619, 428136, 463814, 499492, 535170, 624365, 695721, 713560, 749238, 856272, 927628, 998984, 1070340, 1159535, 1248730, 1391442, 1427120, 1498476, 1623349, 1855256, 1873095, 1997968, 2140680, 2319070, 2497460, 2782884, 2996952, 3246698, 3478605, 3710512, 3746190, 4281360, 4638140, 4870047, 4994920, 5565768, 5993904, 6493396, 6957210, 7492380, 8116745, 9276280, 9740094, 9989840, 11131536, 12986792, 13914420, 14984760, 16233490, 18552560, 19480188, 24350235, 25973584, 27828840, 29969520, 32466980, 38960376, 48700470, 55657680, 64933960, 77920752, 97400940, 129867920, 194801880, 389603760]

約数ペア:

[(1, 389603760), (2, 194801880), (3, 129867920), (4, 97400940), (5, 77920752), (6, 64933960), (7, 55657680), (8, 48700470), (10, 38960376), (12, 32466980), (13, 29969520), (14, 27828840), (15, 25973584), (16, 24350235), (20, 19480188), (21, 18552560), (24, 16233490), (26, 14984760), (28, 13914420), (30, 12986792), (35, 11131536), (39, 9989840), (40, 9740094), (42, 9276280), (48, 8116745), (52, 7492380), (56, 6957210), (60, 6493396), (65, 5993904), (70, 5565768), (78, 4994920), (80, 4870047), (84, 4638140), (91, 4281360), (104, 3746190), (105, 3710512), (112, 3478605), (120, 3246698), (130, 2996952), (140, 2782884), (156, 2497460), (168, 2319070), (182, 2140680), (195, 1997968), (208, 1873095), (210, 1855256), (240, 1623349), (260, 1498476), (273, 1427120), (280, 1391442), (312, 1248730), (336, 1159535), (364, 1070340), (390, 998984), (420, 927628), (455, 856272), (520, 749238), (546, 713560), (560, 695721), (624, 624365), (728, 535170), (780, 499492), (840, 463814), (910, 428136), (1040, 374619), (1092, 356780), (1365, 285424), (1456, 267585), (1560, 249746), (1680, 231907), (1820, 214068), (2184, 178390), (2730, 142712), (3120, 124873), (3640, 107034), (4368, 89195), (5460, 71356), (7280, 53517), (10920, 35678), (17839, 21840)]