494680

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 1134000

約数和(自身を除く): 639320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 149, 166, 298, 332, 415, 596, 664, 745, 830, 1192, 1490, 1660, 2980, 3320, 5960, 12367, 24734, 49468, 61835, 98936, 123670, 247340, 494680]

約数ペア:

[(1, 494680), (2, 247340), (4, 123670), (5, 98936), (8, 61835), (10, 49468), (20, 24734), (40, 12367), (83, 5960), (149, 3320), (166, 2980), (298, 1660), (332, 1490), (415, 1192), (596, 830), (664, 745)]