187899470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1129}}^1$

素因数の和:1253

約数の個数: 64

約数和(自身を含む): 395409600

約数和(自身を除く): 207510130

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 89, 110, 170, 178, 187, 374, 445, 890, 935, 979, 1129, 1513, 1870, 1958, 2258, 3026, 4895, 5645, 7565, 9790, 11290, 12419, 15130, 16643, 19193, 24838, 33286, 38386, 62095, 83215, 95965, 100481, 124190, 166430, 191930, 200962, 211123, 422246, 502405, 1004810, 1055615, 1105291, 1708177, 2111230, 2210582, 3416354, 5526455, 8540885, 11052910, 17081770, 18789947, 37579894, 93949735, 187899470]

約数ペア:

[(1, 187899470), (2, 93949735), (5, 37579894), (10, 18789947), (11, 17081770), (17, 11052910), (22, 8540885), (34, 5526455), (55, 3416354), (85, 2210582), (89, 2111230), (110, 1708177), (170, 1105291), (178, 1055615), (187, 1004810), (374, 502405), (445, 422246), (890, 211123), (935, 200962), (979, 191930), (1129, 166430), (1513, 124190), (1870, 100481), (1958, 95965), (2258, 83215), (3026, 62095), (4895, 38386), (5645, 33286), (7565, 24838), (9790, 19193), (11290, 16643), (12419, 15130)]