255432820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{751273}}^1$

素因数の和:751299

約数の個数: 24

約数和(自身を含む): 567963144

約数和(自身を除く): 312530324

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 751273, 1502546, 3005092, 3756365, 7512730, 12771641, 15025460, 25543282, 51086564, 63858205, 127716410, 255432820]

約数ペア:

[(1, 255432820), (2, 127716410), (4, 63858205), (5, 51086564), (10, 25543282), (17, 15025460), (20, 12771641), (34, 7512730), (68, 3756365), (85, 3005092), (170, 1502546), (340, 751273)]