217802960

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{17341}}^1$

素因数の和:17511

約数の個数: 40

約数和(自身を含む): 509646696

約数和(自身を除く): 291843736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 17341, 34682, 69364, 86705, 138728, 173410, 277456, 346820, 693640, 1387280, 2722537, 5445074, 10890148, 13612685, 21780296, 27225370, 43560592, 54450740, 108901480, 217802960]

約数ペア:

[(1, 217802960), (2, 108901480), (4, 54450740), (5, 43560592), (8, 27225370), (10, 21780296), (16, 13612685), (20, 10890148), (40, 5445074), (80, 2722537), (157, 1387280), (314, 693640), (628, 346820), (785, 277456), (1256, 173410), (1570, 138728), (2512, 86705), (3140, 69364), (6280, 34682), (12560, 17341)]