420796404

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{556609}}^1$

素因数の和:556629

約数の個数: 48

約数和(自身を含む): 1246806400

約数和(自身を除く): 826009996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 556609, 1113218, 1669827, 2226436, 3339654, 3896263, 5009481, 6679308, 7792526, 10018962, 11688789, 15028443, 15585052, 20037924, 23377578, 30056886, 35066367, 46755156, 60113772, 70132734, 105199101, 140265468, 210398202, 420796404]

約数ペア:

[(1, 420796404), (2, 210398202), (3, 140265468), (4, 105199101), (6, 70132734), (7, 60113772), (9, 46755156), (12, 35066367), (14, 30056886), (18, 23377578), (21, 20037924), (27, 15585052), (28, 15028443), (36, 11688789), (42, 10018962), (54, 7792526), (63, 6679308), (84, 5009481), (108, 3896263), (126, 3339654), (189, 2226436), (252, 1669827), (378, 1113218), (756, 556609)]