397016980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1167697}}^1$

素因数の和:1167723

約数の個数: 24

約数和(自身を含む): 882779688

約数和(自身を除く): 485762708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1167697, 2335394, 4670788, 5838485, 11676970, 19850849, 23353940, 39701698, 79403396, 99254245, 198508490, 397016980]

約数ペア:

[(1, 397016980), (2, 198508490), (4, 99254245), (5, 79403396), (10, 39701698), (17, 23353940), (20, 19850849), (34, 11676970), (68, 5838485), (85, 4670788), (170, 2335394), (340, 1167697)]