293371880

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{55987}}^1$

素因数の和:56129

約数の個数: 32

約数和(自身を含む): 665137440

約数和(自身を除く): 371765560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 55987, 111974, 223948, 279935, 447896, 559870, 1119740, 2239480, 7334297, 14668594, 29337188, 36671485, 58674376, 73342970, 146685940, 293371880]

約数ペア:

[(1, 293371880), (2, 146685940), (4, 73342970), (5, 58674376), (8, 36671485), (10, 29337188), (20, 14668594), (40, 7334297), (131, 2239480), (262, 1119740), (524, 559870), (655, 447896), (1048, 279935), (1310, 223948), (2620, 111974), (5240, 55987)]