859627640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{1009}}^1$

素因数の和:1117

約数の個数: 96

約数和(自身を含む): 2077974000

約数和(自身を除く): 1218346360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 361, 380, 472, 590, 722, 760, 1009, 1121, 1180, 1444, 1805, 2018, 2242, 2360, 2888, 3610, 4036, 4484, 5045, 5605, 7220, 8072, 8968, 10090, 11210, 14440, 19171, 20180, 21299, 22420, 38342, 40360, 42598, 44840, 59531, 76684, 85196, 95855, 106495, 119062, 153368, 170392, 191710, 212990, 238124, 297655, 364249, 383420, 425980, 476248, 595310, 728498, 766840, 851960, 1131089, 1190620, 1456996, 1821245, 2262178, 2381240, 2913992, 3642490, 4524356, 5655445, 7284980, 9048712, 11310890, 14569960, 21490691, 22621780, 42981382, 45243560, 85962764, 107453455, 171925528, 214906910, 429813820, 859627640]

約数ペア:

[(1, 859627640), (2, 429813820), (4, 214906910), (5, 171925528), (8, 107453455), (10, 85962764), (19, 45243560), (20, 42981382), (38, 22621780), (40, 21490691), (59, 14569960), (76, 11310890), (95, 9048712), (118, 7284980), (152, 5655445), (190, 4524356), (236, 3642490), (295, 2913992), (361, 2381240), (380, 2262178), (472, 1821245), (590, 1456996), (722, 1190620), (760, 1131089), (1009, 851960), (1121, 766840), (1180, 728498), (1444, 595310), (1805, 476248), (2018, 425980), (2242, 383420), (2360, 364249), (2888, 297655), (3610, 238124), (4036, 212990), (4484, 191710), (5045, 170392), (5605, 153368), (7220, 119062), (8072, 106495), (8968, 95855), (10090, 85196), (11210, 76684), (14440, 59531), (19171, 44840), (20180, 42598), (21299, 40360), (22420, 38342)]