231330520

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{14867}}^1$

素因数の和:15267

約数の個数: 32

約数和(自身を含む): 521866800

約数和(自身を除く): 290536280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 14867, 15560, 29734, 59468, 74335, 118936, 148670, 297340, 594680, 5783263, 11566526, 23133052, 28916315, 46266104, 57832630, 115665260, 231330520]

約数ペア:

[(1, 231330520), (2, 115665260), (4, 57832630), (5, 46266104), (8, 28916315), (10, 23133052), (20, 11566526), (40, 5783263), (389, 594680), (778, 297340), (1556, 148670), (1945, 118936), (3112, 74335), (3890, 59468), (7780, 29734), (14867, 15560)]