619877980

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{136537}}^1$

素因数の和:136773

約数の個数: 24

約数和(自身を含む): 1307487888

約数和(自身を除く): 687609908

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 136537, 273074, 546148, 682685, 1365370, 2730740, 30993899, 61987798, 123975596, 154969495, 309938990, 619877980]

約数ペア:

[(1, 619877980), (2, 309938990), (4, 154969495), (5, 123975596), (10, 61987798), (20, 30993899), (227, 2730740), (454, 1365370), (908, 682685), (1135, 546148), (2270, 273074), (4540, 136537)]