199467020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{321721}}^1$

素因数の和:321761

約数の個数: 24

約数和(自身を含む): 432394368

約数和(自身を除く): 232927348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 321721, 643442, 1286884, 1608605, 3217210, 6434420, 9973351, 19946702, 39893404, 49866755, 99733510, 199467020]

約数ペア:

[(1, 199467020), (2, 99733510), (4, 49866755), (5, 39893404), (10, 19946702), (20, 9973351), (31, 6434420), (62, 3217210), (124, 1608605), (155, 1286884), (310, 643442), (620, 321721)]