427979660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{350803}}^1$

素因数の和:350873

約数の個数: 24

約数和(自身を含む): 913493616

約数和(自身を除く): 485513956

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 350803, 701606, 1403212, 1754015, 3508030, 7016060, 21398983, 42797966, 85595932, 106994915, 213989830, 427979660]

約数ペア:

[(1, 427979660), (2, 213989830), (4, 106994915), (5, 85595932), (10, 42797966), (20, 21398983), (61, 7016060), (122, 3508030), (244, 1754015), (305, 1403212), (610, 701606), (1220, 350803)]