125989640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{449963}}^1$

素因数の和:449981

約数の個数: 32

約数和(自身を含む): 323974080

約数和(自身を除く): 197984440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 449963, 899926, 1799852, 2249815, 3149741, 3599704, 4499630, 6299482, 8999260, 12598964, 15748705, 17998520, 25197928, 31497410, 62994820, 125989640]

約数ペア:

[(1, 125989640), (2, 62994820), (4, 31497410), (5, 25197928), (7, 17998520), (8, 15748705), (10, 12598964), (14, 8999260), (20, 6299482), (28, 4499630), (35, 3599704), (40, 3149741), (56, 2249815), (70, 1799852), (140, 899926), (280, 449963)]