289884680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{426301}}^1$

素因数の和:426329

約数の個数: 32

約数和(自身を含む): 690609240

約数和(自身を除く): 400724560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 426301, 852602, 1705204, 2131505, 3410408, 4263010, 7247117, 8526020, 14494234, 17052040, 28988468, 36235585, 57976936, 72471170, 144942340, 289884680]

約数ペア:

[(1, 289884680), (2, 144942340), (4, 72471170), (5, 57976936), (8, 36235585), (10, 28988468), (17, 17052040), (20, 14494234), (34, 8526020), (40, 7247117), (68, 4263010), (85, 3410408), (136, 2131505), (170, 1705204), (340, 852602), (680, 426301)]