220378540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{379963}}^1$

素因数の和:380001

約数の個数: 24

約数和(自身を含む): 478754640

約数和(自身を除く): 258376100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 379963, 759926, 1519852, 1899815, 3799630, 7599260, 11018927, 22037854, 44075708, 55094635, 110189270, 220378540]

約数ペア:

[(1, 220378540), (2, 110189270), (4, 55094635), (5, 44075708), (10, 22037854), (20, 11018927), (29, 7599260), (58, 3799630), (116, 1899815), (145, 1519852), (290, 759926), (580, 379963)]