399016870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{7243}}^1$

素因数の和:8044

約数の個数: 32

約数和(自身を含む): 821991168

約数和(自身を除く): 422974298

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 787, 1574, 3935, 5509, 7243, 7870, 11018, 14486, 27545, 36215, 50701, 55090, 72430, 101402, 253505, 507010, 5700241, 11400482, 28501205, 39901687, 57002410, 79803374, 199508435, 399016870]

約数ペア:

[(1, 399016870), (2, 199508435), (5, 79803374), (7, 57002410), (10, 39901687), (14, 28501205), (35, 11400482), (70, 5700241), (787, 507010), (1574, 253505), (3935, 101402), (5509, 72430), (7243, 55090), (7870, 50701), (11018, 36215), (14486, 27545)]