291255140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{24979}}^1$

素因数の和:25052

約数の個数: 48

約数和(自身を含む): 679855680

約数和(自身を除く): 388600540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2332, 2915, 5830, 11660, 24979, 49958, 99916, 124895, 249790, 274769, 499580, 549538, 1099076, 1323887, 1373845, 2647774, 2747690, 5295548, 5495380, 6619435, 13238870, 14562757, 26477740, 29125514, 58251028, 72813785, 145627570, 291255140]

約数ペア:

[(1, 291255140), (2, 145627570), (4, 72813785), (5, 58251028), (10, 29125514), (11, 26477740), (20, 14562757), (22, 13238870), (44, 6619435), (53, 5495380), (55, 5295548), (106, 2747690), (110, 2647774), (212, 1373845), (220, 1323887), (265, 1099076), (530, 549538), (583, 499580), (1060, 274769), (1166, 249790), (2332, 124895), (2915, 99916), (5830, 49958), (11660, 24979)]