220148540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{70111}}^1$

素因数の和:70277

約数の個数: 24

約数和(自身を含む): 465263232

約数和(自身を除く): 245114692

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 70111, 140222, 280444, 350555, 701110, 1402220, 11007427, 22014854, 44029708, 55037135, 110074270, 220148540]

約数ペア:

[(1, 220148540), (2, 110074270), (4, 55037135), (5, 44029708), (10, 22014854), (20, 11007427), (157, 1402220), (314, 701110), (628, 350555), (785, 280444), (1570, 140222), (3140, 70111)]