923073980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{10711}}^1$

素因数の和:10890

約数の個数: 48

約数和(自身を含む): 2015569920

約数和(自身を除く): 1092495940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 1390, 2780, 4309, 8618, 10711, 17236, 21422, 21545, 42844, 43090, 53555, 86180, 107110, 214220, 332041, 664082, 1328164, 1488829, 1660205, 2977658, 3320410, 5955316, 6640820, 7444145, 14888290, 29776580, 46153699, 92307398, 184614796, 230768495, 461536990, 923073980]

約数ペア:

[(1, 923073980), (2, 461536990), (4, 230768495), (5, 184614796), (10, 92307398), (20, 46153699), (31, 29776580), (62, 14888290), (124, 7444145), (139, 6640820), (155, 5955316), (278, 3320410), (310, 2977658), (556, 1660205), (620, 1488829), (695, 1328164), (1390, 664082), (2780, 332041), (4309, 214220), (8618, 107110), (10711, 86180), (17236, 53555), (21422, 43090), (21545, 42844)]