222767620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{110281}}^1$

素因数の和:110391

約数の個数: 24

約数和(自身を含む): 472448088

約数和(自身を除く): 249680468

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 110281, 220562, 441124, 551405, 1102810, 2205620, 11138381, 22276762, 44553524, 55691905, 111383810, 222767620]

約数ペア:

[(1, 222767620), (2, 111383810), (4, 55691905), (5, 44553524), (10, 22276762), (20, 11138381), (101, 2205620), (202, 1102810), (404, 551405), (505, 441124), (1010, 220562), (2020, 110281)]