1656551380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{123439}}^1$

素因数の和:123520

約数の個数: 48

約数和(自身を含む): 3857253120

約数和(自身を除く): 2200701740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 123439, 246878, 493756, 617195, 1234390, 1357829, 2468780, 2715658, 5431316, 6789145, 7529779, 13578290, 15059558, 27156580, 30119116, 37648895, 75297790, 82827569, 150595580, 165655138, 331310276, 414137845, 828275690, 1656551380]

約数ペア:

[(1, 1656551380), (2, 828275690), (4, 414137845), (5, 331310276), (10, 165655138), (11, 150595580), (20, 82827569), (22, 75297790), (44, 37648895), (55, 30119116), (61, 27156580), (110, 15059558), (122, 13578290), (220, 7529779), (244, 6789145), (305, 5431316), (610, 2715658), (671, 2468780), (1220, 1357829), (1342, 1234390), (2684, 617195), (3355, 493756), (6710, 246878), (13420, 123439)]