204625870

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1\times {\mathrm{431}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 372594816

約数和(自身を除く): 167968946

約数列:

[1, 2, 5, 10, 197, 241, 394, 431, 482, 862, 985, 1205, 1970, 2155, 2410, 4310, 47477, 84907, 94954, 103871, 169814, 207742, 237385, 424535, 474770, 519355, 849070, 1038710, 20462587, 40925174, 102312935, 204625870]

約数ペア:

[(1, 204625870), (2, 102312935), (5, 40925174), (10, 20462587), (197, 1038710), (241, 849070), (394, 519355), (431, 474770), (482, 424535), (862, 237385), (985, 207742), (1205, 169814), (1970, 103871), (2155, 94954), (2410, 84907), (4310, 47477)]