840979020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2002331}}^1$

素因数の和:2002350

約数の個数: 48

約数和(自身を含む): 2691134208

約数和(自身を除く): 1850155188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2002331, 4004662, 6006993, 8009324, 10011655, 12013986, 14016317, 20023310, 24027972, 28032634, 30034965, 40046620, 42048951, 56065268, 60069930, 70081585, 84097902, 120139860, 140163170, 168195804, 210244755, 280326340, 420489510, 840979020]

約数ペア:

[(1, 840979020), (2, 420489510), (3, 280326340), (4, 210244755), (5, 168195804), (6, 140163170), (7, 120139860), (10, 84097902), (12, 70081585), (14, 60069930), (15, 56065268), (20, 42048951), (21, 40046620), (28, 30034965), (30, 28032634), (35, 24027972), (42, 20023310), (60, 14016317), (70, 12013986), (84, 10011655), (105, 8009324), (140, 6006993), (210, 4004662), (420, 2002331)]