208028180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{857}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 447567120

約数和(自身を除く): 239538940

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 229, 265, 458, 530, 857, 916, 1060, 1145, 1714, 2290, 3428, 4285, 4580, 8570, 12137, 17140, 24274, 45421, 48548, 60685, 90842, 121370, 181684, 196253, 227105, 242740, 392506, 454210, 785012, 908420, 981265, 1962530, 3925060, 10401409, 20802818, 41605636, 52007045, 104014090, 208028180]

約数ペア:

[(1, 208028180), (2, 104014090), (4, 52007045), (5, 41605636), (10, 20802818), (20, 10401409), (53, 3925060), (106, 1962530), (212, 981265), (229, 908420), (265, 785012), (458, 454210), (530, 392506), (857, 242740), (916, 227105), (1060, 196253), (1145, 181684), (1714, 121370), (2290, 90842), (3428, 60685), (4285, 48548), (4580, 45421), (8570, 24274), (12137, 17140)]