222809660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{509}}^2$

素因数の和:1070

約数の個数: 36

約数和(自身を含む): 479724168

約数和(自身を除く): 256914508

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 509, 860, 1018, 2036, 2545, 5090, 10180, 21887, 43774, 87548, 109435, 218870, 259081, 437740, 518162, 1036324, 1295405, 2590810, 5181620, 11140483, 22280966, 44561932, 55702415, 111404830, 222809660]

約数ペア:

[(1, 222809660), (2, 111404830), (4, 55702415), (5, 44561932), (10, 22280966), (20, 11140483), (43, 5181620), (86, 2590810), (172, 1295405), (215, 1036324), (430, 518162), (509, 437740), (860, 259081), (1018, 218870), (2036, 109435), (2545, 87548), (5090, 43774), (10180, 21887)]