220460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 472416

約数和(自身を除く): 251956

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 151, 292, 302, 365, 604, 730, 755, 1460, 1510, 3020, 11023, 22046, 44092, 55115, 110230, 220460]

約数ペア:

[(1, 220460), (2, 110230), (4, 55115), (5, 44092), (10, 22046), (20, 11023), (73, 3020), (146, 1510), (151, 1460), (292, 755), (302, 730), (365, 604)]