843340

素因数分解:

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

素因数の和:441

約数の個数: 24

約数和(自身を含む): 1789200

約数和(自身を除く): 945860

約数列:

[1, 2, 4, 5, 10, 20, 149, 283, 298, 566, 596, 745, 1132, 1415, 1490, 2830, 2980, 5660, 42167, 84334, 168668, 210835, 421670, 843340]

約数ペア:

[(1, 843340), (2, 421670), (4, 210835), (5, 168668), (10, 84334), (20, 42167), (149, 5660), (283, 2980), (298, 2830), (566, 1490), (596, 1415), (745, 1132)]