819620

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 1741824

約数和(自身を除く): 922204

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 383, 428, 535, 766, 1070, 1532, 1915, 2140, 3830, 7660, 40981, 81962, 163924, 204905, 409810, 819620]

約数ペア:

[(1, 819620), (2, 409810), (4, 204905), (5, 163924), (10, 81962), (20, 40981), (107, 7660), (214, 3830), (383, 2140), (428, 1915), (535, 1532), (766, 1070)]