218219090

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{200201}}^1$

素因数の和:200317

約数の個数: 16

約数和(自身を含む): 396399960

約数和(自身を除く): 178180870

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 200201, 400402, 1001005, 2002010, 21821909, 43643818, 109109545, 218219090]

約数ペア:

[(1, 218219090), (2, 109109545), (5, 43643818), (10, 21821909), (109, 2002010), (218, 1001005), (545, 400402), (1090, 200201)]