401025305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 523152000

約数和(自身を除く): 122126695

約数列:

[1, 5, 19, 41, 95, 149, 205, 691, 745, 779, 2831, 3455, 3895, 6109, 13129, 14155, 28331, 30545, 65645, 102959, 116071, 141655, 514795, 538289, 580355, 1956221, 2691445, 4221319, 9781105, 21106595, 80205061, 401025305]

約数ペア:

[(1, 401025305), (5, 80205061), (19, 21106595), (41, 9781105), (95, 4221319), (149, 2691445), (205, 1956221), (691, 580355), (745, 538289), (779, 514795), (2831, 141655), (3455, 116071), (3895, 102959), (6109, 65645), (13129, 30545), (14155, 28331)]