8717660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{853}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 21233856

約数和(自身を除く): 12516196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 853, 1022, 1460, 1706, 2044, 2555, 3412, 4265, 5110, 5971, 8530, 10220, 11942, 17060, 23884, 29855, 59710, 62269, 119420, 124538, 249076, 311345, 435883, 622690, 871766, 1245380, 1743532, 2179415, 4358830, 8717660]

約数ペア:

[(1, 8717660), (2, 4358830), (4, 2179415), (5, 1743532), (7, 1245380), (10, 871766), (14, 622690), (20, 435883), (28, 311345), (35, 249076), (70, 124538), (73, 119420), (140, 62269), (146, 59710), (292, 29855), (365, 23884), (511, 17060), (730, 11942), (853, 10220), (1022, 8530), (1460, 5971), (1706, 5110), (2044, 4265), (2555, 3412)]