1821880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1231}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 4213440

約数和(自身を除く): 2391560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1231, 1480, 2462, 4924, 6155, 9848, 12310, 24620, 45547, 49240, 91094, 182188, 227735, 364376, 455470, 910940, 1821880]

約数ペア:

[(1, 1821880), (2, 910940), (4, 455470), (5, 364376), (8, 227735), (10, 182188), (20, 91094), (37, 49240), (40, 45547), (74, 24620), (148, 12310), (185, 9848), (296, 6155), (370, 4924), (740, 2462), (1231, 1480)]