401070620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1\times {\mathrm{1223}}^1$

素因数の和:2114

約数の個数: 48

約数和(自身を含む): 888330240

約数和(自身を除く): 487259620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 863, 1223, 1726, 2446, 3452, 4315, 4892, 6115, 8630, 12230, 16397, 17260, 23237, 24460, 32794, 46474, 65588, 81985, 92948, 116185, 163970, 232370, 327940, 464740, 1055449, 2110898, 4221796, 5277245, 10554490, 20053531, 21108980, 40107062, 80214124, 100267655, 200535310, 401070620]

約数ペア:

[(1, 401070620), (2, 200535310), (4, 100267655), (5, 80214124), (10, 40107062), (19, 21108980), (20, 20053531), (38, 10554490), (76, 5277245), (95, 4221796), (190, 2110898), (380, 1055449), (863, 464740), (1223, 327940), (1726, 232370), (2446, 163970), (3452, 116185), (4315, 92948), (4892, 81985), (6115, 65588), (8630, 46474), (12230, 32794), (16397, 24460), (17260, 23237)]