77611580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1223}}^1$

素因数の和:1418

約数の個数: 48

約数和(自身を含む): 172730880

約数和(自身を除く): 95119300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 334, 380, 668, 835, 1223, 1670, 2446, 3173, 3340, 4892, 6115, 6346, 12230, 12692, 15865, 23237, 24460, 31730, 46474, 63460, 92948, 116185, 204241, 232370, 408482, 464740, 816964, 1021205, 2042410, 3880579, 4084820, 7761158, 15522316, 19402895, 38805790, 77611580]

約数ペア:

[(1, 77611580), (2, 38805790), (4, 19402895), (5, 15522316), (10, 7761158), (19, 4084820), (20, 3880579), (38, 2042410), (76, 1021205), (95, 816964), (167, 464740), (190, 408482), (334, 232370), (380, 204241), (668, 116185), (835, 92948), (1223, 63460), (1670, 46474), (2446, 31730), (3173, 24460), (3340, 23237), (4892, 15865), (6115, 12692), (6346, 12230)]