331420

素因数分解:

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

素因数の和:309

約数の個数: 24

約数和(自身を含む): 708624

約数和(自身を除く): 377204

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 227, 292, 365, 454, 730, 908, 1135, 1460, 2270, 4540, 16571, 33142, 66284, 82855, 165710, 331420]

約数ペア:

[(1, 331420), (2, 165710), (4, 82855), (5, 66284), (10, 33142), (20, 16571), (73, 4540), (146, 2270), (227, 1460), (292, 1135), (365, 908), (454, 730)]