17557940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 39472272

約数和(自身を除く): 21914332

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 113, 170, 226, 340, 452, 457, 565, 914, 1130, 1828, 1921, 2260, 2285, 3842, 4570, 7684, 7769, 9140, 9605, 15538, 19210, 31076, 38420, 38845, 51641, 77690, 103282, 155380, 206564, 258205, 516410, 877897, 1032820, 1755794, 3511588, 4389485, 8778970, 17557940]

約数ペア:

[(1, 17557940), (2, 8778970), (4, 4389485), (5, 3511588), (10, 1755794), (17, 1032820), (20, 877897), (34, 516410), (68, 258205), (85, 206564), (113, 155380), (170, 103282), (226, 77690), (340, 51641), (452, 38845), (457, 38420), (565, 31076), (914, 19210), (1130, 15538), (1828, 9605), (1921, 9140), (2260, 7769), (2285, 7684), (3842, 4570)]