331359760

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{42701}}^1$

素因数の和:42811

約数の個数: 40

約数和(自身を含む): 778372056

約数和(自身を除く): 447012296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 42701, 85402, 170804, 213505, 341608, 427010, 683216, 854020, 1708040, 3416080, 4141997, 8283994, 16567988, 20709985, 33135976, 41419970, 66271952, 82839940, 165679880, 331359760]

約数ペア:

[(1, 331359760), (2, 165679880), (4, 82839940), (5, 66271952), (8, 41419970), (10, 33135976), (16, 20709985), (20, 16567988), (40, 8283994), (80, 4141997), (97, 3416080), (194, 1708040), (388, 854020), (485, 683216), (776, 427010), (970, 341608), (1552, 213505), (1940, 170804), (3880, 85402), (7760, 42701)]