218219740

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{12301}}^1$

素因数の和:13197

約数の個数: 24

約数和(自身を含む): 458815392

約数和(自身を除く): 240595652

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 3548, 4435, 8870, 12301, 17740, 24602, 49204, 61505, 123010, 246020, 10910987, 21821974, 43643948, 54554935, 109109870, 218219740]

約数ペア:

[(1, 218219740), (2, 109109870), (4, 54554935), (5, 43643948), (10, 21821974), (20, 10910987), (887, 246020), (1774, 123010), (3548, 61505), (4435, 49204), (8870, 24602), (12301, 17740)]