1604020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 3846528

約数和(自身を除く): 2242508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 317, 460, 506, 634, 1012, 1265, 1268, 1585, 2530, 3170, 3487, 5060, 6340, 6974, 7291, 13948, 14582, 17435, 29164, 34870, 36455, 69740, 72910, 80201, 145820, 160402, 320804, 401005, 802010, 1604020]

約数ペア:

[(1, 1604020), (2, 802010), (4, 401005), (5, 320804), (10, 160402), (11, 145820), (20, 80201), (22, 72910), (23, 69740), (44, 36455), (46, 34870), (55, 29164), (92, 17435), (110, 14582), (115, 13948), (220, 7291), (230, 6974), (253, 6340), (317, 5060), (460, 3487), (506, 3170), (634, 2530), (1012, 1585), (1265, 1268)]