858786220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{433}}^1\times {\mathrm{757}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 1823820768

約数和(自身を除く): 965034548

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 433, 524, 655, 757, 866, 1310, 1514, 1732, 2165, 2620, 3028, 3785, 4330, 7570, 8660, 15140, 56723, 99167, 113446, 198334, 226892, 283615, 327781, 396668, 495835, 567230, 655562, 991670, 1134460, 1311124, 1638905, 1983340, 3277810, 6555620, 42939311, 85878622, 171757244, 214696555, 429393110, 858786220]

約数ペア:

[(1, 858786220), (2, 429393110), (4, 214696555), (5, 171757244), (10, 85878622), (20, 42939311), (131, 6555620), (262, 3277810), (433, 1983340), (524, 1638905), (655, 1311124), (757, 1134460), (866, 991670), (1310, 655562), (1514, 567230), (1732, 495835), (2165, 396668), (2620, 327781), (3028, 283615), (3785, 226892), (4330, 198334), (7570, 113446), (8660, 99167), (15140, 56723)]