255340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{751}}^1$

素因数の和:777

約数の個数: 24

約数和(自身を含む): 568512

約数和(自身を除く): 313172

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 751, 1502, 3004, 3755, 7510, 12767, 15020, 25534, 51068, 63835, 127670, 255340]

約数ペア:

[(1, 255340), (2, 127670), (4, 63835), (5, 51068), (10, 25534), (17, 15020), (20, 12767), (34, 7510), (68, 3755), (85, 3004), (170, 1502), (340, 751)]