125890520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{449609}}^1$

素因数の和:449627

約数の個数: 32

約数和(自身を含む): 323719200

約数和(自身を除く): 197828680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 449609, 899218, 1798436, 2248045, 3147263, 3596872, 4496090, 6294526, 8992180, 12589052, 15736315, 17984360, 25178104, 31472630, 62945260, 125890520]

約数ペア:

[(1, 125890520), (2, 62945260), (4, 31472630), (5, 25178104), (7, 17984360), (8, 15736315), (10, 12589052), (14, 8992180), (20, 6294526), (28, 4496090), (35, 3596872), (40, 3147263), (56, 2248045), (70, 1798436), (140, 899218), (280, 449609)]