231844280

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{18637}}^1$

素因数の和:18959

約数の個数: 32

約数和(自身を含む): 523355040

約数和(自身を除く): 291510760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 18637, 37274, 74548, 93185, 149096, 186370, 372740, 745480, 5796107, 11592214, 23184428, 28980535, 46368856, 57961070, 115922140, 231844280]

約数ペア:

[(1, 231844280), (2, 115922140), (4, 57961070), (5, 46368856), (8, 28980535), (10, 23184428), (20, 11592214), (40, 5796107), (311, 745480), (622, 372740), (1244, 186370), (1555, 149096), (2488, 93185), (3110, 74548), (6220, 37274), (12440, 18637)]