858619020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2044331}}^1$

素因数の和:2044350

約数の個数: 48

約数和(自身を含む): 2747582208

約数和(自身を除く): 1888963188

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, 2044331, 4088662, 6132993, 8177324, 10221655, 12265986, 14310317, 20443310, 24531972, 28620634, 30664965, 40886620, 42930951, 57241268, 61329930, 71551585, 85861902, 122659860, 143103170, 171723804, 214654755, 286206340, 429309510, 858619020]

約数ペア:

[(1, 858619020), (2, 429309510), (3, 286206340), (4, 214654755), (5, 171723804), (6, 143103170), (7, 122659860), (10, 85861902), (12, 71551585), (14, 61329930), (15, 57241268), (20, 42930951), (21, 40886620), (28, 30664965), (30, 28620634), (35, 24531972), (42, 20443310), (60, 14310317), (70, 12265986), (84, 10221655), (105, 8177324), (140, 6132993), (210, 4088662), (420, 2044331)]