251260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{739}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 559440

約数和(自身を除く): 308180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 739, 1478, 2956, 3695, 7390, 12563, 14780, 25126, 50252, 62815, 125630, 251260]

約数ペア:

[(1, 251260), (2, 125630), (4, 62815), (5, 50252), (10, 25126), (17, 14780), (20, 12563), (34, 7390), (68, 3695), (85, 2956), (170, 1478), (340, 739)]