420879280

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{34841}}^1$

素因数の和:35005

約数の個数: 40

約数和(自身を含む): 985053024

約数和(自身を除く): 564173744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 6040, 12080, 34841, 69682, 139364, 174205, 278728, 348410, 557456, 696820, 1393640, 2787280, 5260991, 10521982, 21043964, 26304955, 42087928, 52609910, 84175856, 105219820, 210439640, 420879280]

約数ペア:

[(1, 420879280), (2, 210439640), (4, 105219820), (5, 84175856), (8, 52609910), (10, 42087928), (16, 26304955), (20, 21043964), (40, 10521982), (80, 5260991), (151, 2787280), (302, 1393640), (604, 696820), (755, 557456), (1208, 348410), (1510, 278728), (2416, 174205), (3020, 139364), (6040, 69682), (12080, 34841)]