8120900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{281}}^1$

素因数の和:329

約数の個数: 54

約数和(自身を含む): 18786558

約数和(自身を除く): 10665658

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 281, 289, 340, 425, 562, 578, 850, 1124, 1156, 1405, 1445, 1700, 2810, 2890, 4777, 5620, 5780, 7025, 7225, 9554, 14050, 14450, 19108, 23885, 28100, 28900, 47770, 81209, 95540, 119425, 162418, 238850, 324836, 406045, 477700, 812090, 1624180, 2030225, 4060450, 8120900]

約数ペア:

[(1, 8120900), (2, 4060450), (4, 2030225), (5, 1624180), (10, 812090), (17, 477700), (20, 406045), (25, 324836), (34, 238850), (50, 162418), (68, 119425), (85, 95540), (100, 81209), (170, 47770), (281, 28900), (289, 28100), (340, 23885), (425, 19108), (562, 14450), (578, 14050), (850, 9554), (1124, 7225), (1156, 7025), (1405, 5780), (1445, 5620), (1700, 4777), (2810, 2890)]