249410920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{1811}}^1$

素因数の和:2146

約数の個数: 64

約数和(自身を含む): 614485440

約数和(自身を除く): 365074520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 313, 440, 626, 1252, 1565, 1811, 2504, 3130, 3443, 3622, 6260, 6886, 7244, 9055, 12520, 13772, 14488, 17215, 18110, 19921, 27544, 34430, 36220, 39842, 68860, 72440, 79684, 99605, 137720, 159368, 199210, 398420, 566843, 796840, 1133686, 2267372, 2834215, 4534744, 5668430, 6235273, 11336860, 12470546, 22673720, 24941092, 31176365, 49882184, 62352730, 124705460, 249410920]

約数ペア:

[(1, 249410920), (2, 124705460), (4, 62352730), (5, 49882184), (8, 31176365), (10, 24941092), (11, 22673720), (20, 12470546), (22, 11336860), (40, 6235273), (44, 5668430), (55, 4534744), (88, 2834215), (110, 2267372), (220, 1133686), (313, 796840), (440, 566843), (626, 398420), (1252, 199210), (1565, 159368), (1811, 137720), (2504, 99605), (3130, 79684), (3443, 72440), (3622, 68860), (6260, 39842), (6886, 36220), (7244, 34430), (9055, 27544), (12520, 19921), (13772, 18110), (14488, 17215)]