74974360

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2897}}^1$

素因数の和:3555

約数の個数: 32

約数和(自身を含む): 169011360

約数和(自身を除く): 94037000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 2897, 3235, 5176, 5794, 6470, 11588, 12940, 14485, 23176, 25880, 28970, 57940, 115880, 1874359, 3748718, 7497436, 9371795, 14994872, 18743590, 37487180, 74974360]

約数ペア:

[(1, 74974360), (2, 37487180), (4, 18743590), (5, 14994872), (8, 9371795), (10, 7497436), (20, 3748718), (40, 1874359), (647, 115880), (1294, 57940), (2588, 28970), (2897, 25880), (3235, 23176), (5176, 14485), (5794, 12940), (6470, 11588)]