318591340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{1621}}^1$

素因数の和:1978

約数の個数: 48

約数和(自身を含む): 693229824

約数和(自身を除く): 374638484

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 317, 620, 634, 1268, 1585, 1621, 3170, 3242, 6340, 6484, 8105, 9827, 16210, 19654, 32420, 39308, 49135, 50251, 98270, 100502, 196540, 201004, 251255, 502510, 513857, 1005020, 1027714, 2055428, 2569285, 5138570, 10277140, 15929567, 31859134, 63718268, 79647835, 159295670, 318591340]

約数ペア:

[(1, 318591340), (2, 159295670), (4, 79647835), (5, 63718268), (10, 31859134), (20, 15929567), (31, 10277140), (62, 5138570), (124, 2569285), (155, 2055428), (310, 1027714), (317, 1005020), (620, 513857), (634, 502510), (1268, 251255), (1585, 201004), (1621, 196540), (3170, 100502), (3242, 98270), (6340, 50251), (6484, 49135), (8105, 39308), (9827, 32420), (16210, 19654)]