2007659960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{577}}^1\times {\mathrm{2351}}^1$

素因数の和:2976

約数の個数: 64

約数和(自身を含む): 4649339520

約数和(自身を除く): 2641679560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 577, 740, 1154, 1480, 2308, 2351, 2885, 4616, 4702, 5770, 9404, 11540, 11755, 18808, 21349, 23080, 23510, 42698, 47020, 85396, 86987, 94040, 106745, 170792, 173974, 213490, 347948, 426980, 434935, 695896, 853960, 869870, 1356527, 1739740, 2713054, 3479480, 5426108, 6782635, 10852216, 13565270, 27130540, 50191499, 54261080, 100382998, 200765996, 250957495, 401531992, 501914990, 1003829980, 2007659960]

約数ペア:

[(1, 2007659960), (2, 1003829980), (4, 501914990), (5, 401531992), (8, 250957495), (10, 200765996), (20, 100382998), (37, 54261080), (40, 50191499), (74, 27130540), (148, 13565270), (185, 10852216), (296, 6782635), (370, 5426108), (577, 3479480), (740, 2713054), (1154, 1739740), (1480, 1356527), (2308, 869870), (2351, 853960), (2885, 695896), (4616, 434935), (4702, 426980), (5770, 347948), (9404, 213490), (11540, 173974), (11755, 170792), (18808, 106745), (21349, 94040), (23080, 86987), (23510, 85396), (42698, 47020)]