71889940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211441}}^1$

素因数の和:211467

約数の個数: 24

約数和(自身を含む): 159850152

約数和(自身を除く): 87960212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 211441, 422882, 845764, 1057205, 2114410, 3594497, 4228820, 7188994, 14377988, 17972485, 35944970, 71889940]

約数ペア:

[(1, 71889940), (2, 35944970), (4, 17972485), (5, 14377988), (10, 7188994), (17, 4228820), (20, 3594497), (34, 2114410), (68, 1057205), (85, 845764), (170, 422882), (340, 211441)]