217824920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{147179}}^1$

素因数の和:147227

約数の個数: 32

約数和(自身を含む): 503355600

約数和(自身を除く): 285530680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 147179, 294358, 588716, 735895, 1177432, 1471790, 2943580, 5445623, 5887160, 10891246, 21782492, 27228115, 43564984, 54456230, 108912460, 217824920]

約数ペア:

[(1, 217824920), (2, 108912460), (4, 54456230), (5, 43564984), (8, 27228115), (10, 21782492), (20, 10891246), (37, 5887160), (40, 5445623), (74, 2943580), (148, 1471790), (185, 1177432), (296, 735895), (370, 588716), (740, 294358), (1480, 147179)]