278622980

素因数分解:

$2^2\times 5^1\times {\mathrm{2467}}^1\times {\mathrm{5647}}^1$

素因数の和:8123

約数の個数: 24

約数和(自身を含む): 585449088

約数和(自身を除く): 306826108

約数列:

[1, 2, 4, 5, 10, 20, 2467, 4934, 5647, 9868, 11294, 12335, 22588, 24670, 28235, 49340, 56470, 112940, 13931149, 27862298, 55724596, 69655745, 139311490, 278622980]

約数ペア:

[(1, 278622980), (2, 139311490), (4, 69655745), (5, 55724596), (10, 27862298), (20, 13931149), (2467, 112940), (4934, 56470), (5647, 49340), (9868, 28235), (11294, 24670), (12335, 22588)]