31565740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 68457312

約数和(自身を除く): 36891572

約数列:

[1, 2, 4, 5, 10, 20, 53, 97, 106, 194, 212, 265, 307, 388, 485, 530, 614, 970, 1060, 1228, 1535, 1940, 3070, 5141, 6140, 10282, 16271, 20564, 25705, 29779, 32542, 51410, 59558, 65084, 81355, 102820, 119116, 148895, 162710, 297790, 325420, 595580, 1578287, 3156574, 6313148, 7891435, 15782870, 31565740]

約数ペア:

[(1, 31565740), (2, 15782870), (4, 7891435), (5, 6313148), (10, 3156574), (20, 1578287), (53, 595580), (97, 325420), (106, 297790), (194, 162710), (212, 148895), (265, 119116), (307, 102820), (388, 81355), (485, 65084), (530, 59558), (614, 51410), (970, 32542), (1060, 29779), (1228, 25705), (1535, 20564), (1940, 16271), (3070, 10282), (5141, 6140)]