213301250

素因数分解:

$2^1\times 5^4\times {\mathrm{170641}}^1$

素因数の和:170663

約数の個数: 20

約数和(自身を含む): 399814206

約数和(自身を除く): 186512956

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 170641, 341282, 853205, 1706410, 4266025, 8532050, 21330125, 42660250, 106650625, 213301250]

約数ペア:

[(1, 213301250), (2, 106650625), (5, 42660250), (10, 21330125), (25, 8532050), (50, 4266025), (125, 1706410), (250, 853205), (625, 341282), (1250, 170641)]