155805980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{24421}}^1$

素因数の和:24470

約数の個数: 48

約数和(自身を含む): 369260640

約数和(自身を除く): 213454660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 24421, 48842, 97684, 122105, 244210, 268631, 488420, 537262, 708209, 1074524, 1343155, 1416418, 2686310, 2832836, 3541045, 5372620, 7082090, 7790299, 14164180, 15580598, 31161196, 38951495, 77902990, 155805980]

約数ペア:

[(1, 155805980), (2, 77902990), (4, 38951495), (5, 31161196), (10, 15580598), (11, 14164180), (20, 7790299), (22, 7082090), (29, 5372620), (44, 3541045), (55, 2832836), (58, 2686310), (110, 1416418), (116, 1343155), (145, 1074524), (220, 708209), (290, 537262), (319, 488420), (580, 268631), (638, 244210), (1276, 122105), (1595, 97684), (3190, 48842), (6380, 24421)]