765624996860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{2081}}^1\times {\mathrm{2377}}^1$

素因数の和:4647

約数の個数: 96

約数和(自身を含む): 1646899309440

約数和(自身を除く): 881274312580

約数列:

[1, 2, 4, 5, 10, 20, 71, 109, 142, 218, 284, 355, 436, 545, 710, 1090, 1420, 2081, 2180, 2377, 4162, 4754, 7739, 8324, 9508, 10405, 11885, 15478, 20810, 23770, 30956, 38695, 41620, 47540, 77390, 147751, 154780, 168767, 226829, 259093, 295502, 337534, 453658, 518186, 591004, 675068, 738755, 843835, 907316, 1036372, 1134145, 1295465, 1477510, 1687670, 2268290, 2590930, 2955020, 3375340, 4536580, 4946537, 5181860, 9893074, 16104859, 18395603, 19786148, 24732685, 32209718, 36791206, 49465370, 64419436, 73582412, 80524295, 91978015, 98930740, 161048590, 183956030, 322097180, 351204127, 367912060, 539172533, 702408254, 1078345066, 1404816508, 1756020635, 2156690132, 2695862665, 3512041270, 5391725330, 7024082540, 10783450660, 38281249843, 76562499686, 153124999372, 191406249215, 382812498430, 765624996860]

約数ペア:

[(1, 765624996860), (2, 382812498430), (4, 191406249215), (5, 153124999372), (10, 76562499686), (20, 38281249843), (71, 10783450660), (109, 7024082540), (142, 5391725330), (218, 3512041270), (284, 2695862665), (355, 2156690132), (436, 1756020635), (545, 1404816508), (710, 1078345066), (1090, 702408254), (1420, 539172533), (2081, 367912060), (2180, 351204127), (2377, 322097180), (4162, 183956030), (4754, 161048590), (7739, 98930740), (8324, 91978015), (9508, 80524295), (10405, 73582412), (11885, 64419436), (15478, 49465370), (20810, 36791206), (23770, 32209718), (30956, 24732685), (38695, 19786148), (41620, 18395603), (47540, 16104859), (77390, 9893074), (147751, 5181860), (154780, 4946537), (168767, 4536580), (226829, 3375340), (259093, 2955020), (295502, 2590930), (337534, 2268290), (453658, 1687670), (518186, 1477510), (591004, 1295465), (675068, 1134145), (738755, 1036372), (843835, 907316)]