662840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 1518480

約数和(自身を除く): 855640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 227, 292, 365, 454, 584, 730, 908, 1135, 1460, 1816, 2270, 2920, 4540, 9080, 16571, 33142, 66284, 82855, 132568, 165710, 331420, 662840]

約数ペア:

[(1, 662840), (2, 331420), (4, 165710), (5, 132568), (8, 82855), (10, 66284), (20, 33142), (40, 16571), (73, 9080), (146, 4540), (227, 2920), (292, 2270), (365, 1816), (454, 1460), (584, 1135), (730, 908)]