1686680

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 3834000

約数和(自身を除く): 2147320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 283, 298, 566, 596, 745, 1132, 1192, 1415, 1490, 2264, 2830, 2980, 5660, 5960, 11320, 42167, 84334, 168668, 210835, 337336, 421670, 843340, 1686680]

約数ペア:

[(1, 1686680), (2, 843340), (4, 421670), (5, 337336), (8, 210835), (10, 168668), (20, 84334), (40, 42167), (149, 11320), (283, 5960), (298, 5660), (566, 2980), (596, 2830), (745, 2264), (1132, 1490), (1192, 1415)]