844105420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{3947}}^1$

素因数の和:4027

約数の個数: 72

約数和(自身を含む): 1934409456

約数和(自身を除く): 1090304036

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 289, 340, 370, 578, 629, 740, 1156, 1258, 1445, 2516, 2890, 3145, 3947, 5780, 6290, 7894, 10693, 12580, 15788, 19735, 21386, 39470, 42772, 53465, 67099, 78940, 106930, 134198, 146039, 213860, 268396, 292078, 335495, 584156, 670990, 730195, 1140683, 1341980, 1460390, 2281366, 2482663, 2920780, 4562732, 4965326, 5703415, 9930652, 11406830, 12413315, 22813660, 24826630, 42205271, 49653260, 84410542, 168821084, 211026355, 422052710, 844105420]

約数ペア:

[(1, 844105420), (2, 422052710), (4, 211026355), (5, 168821084), (10, 84410542), (17, 49653260), (20, 42205271), (34, 24826630), (37, 22813660), (68, 12413315), (74, 11406830), (85, 9930652), (148, 5703415), (170, 4965326), (185, 4562732), (289, 2920780), (340, 2482663), (370, 2281366), (578, 1460390), (629, 1341980), (740, 1140683), (1156, 730195), (1258, 670990), (1445, 584156), (2516, 335495), (2890, 292078), (3145, 268396), (3947, 213860), (5780, 146039), (6290, 134198), (7894, 106930), (10693, 78940), (12580, 67099), (15788, 53465), (19735, 42772), (21386, 39470)]