858111940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1103}}^1\times {\mathrm{5557}}^1$

素因数の和:6676

約数の個数: 48

約数和(自身を含む): 2061706752

約数和(自身を除く): 1203594812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1103, 2206, 4412, 5515, 5557, 7721, 11030, 11114, 15442, 22060, 22228, 27785, 30884, 38605, 38899, 55570, 77210, 77798, 111140, 154420, 155596, 194495, 388990, 777980, 6129371, 12258742, 24517484, 30646855, 42905597, 61293710, 85811194, 122587420, 171622388, 214527985, 429055970, 858111940]

約数ペア:

[(1, 858111940), (2, 429055970), (4, 214527985), (5, 171622388), (7, 122587420), (10, 85811194), (14, 61293710), (20, 42905597), (28, 30646855), (35, 24517484), (70, 12258742), (140, 6129371), (1103, 777980), (2206, 388990), (4412, 194495), (5515, 155596), (5557, 154420), (7721, 111140), (11030, 77798), (11114, 77210), (15442, 55570), (22060, 38899), (22228, 38605), (27785, 30884)]