220888940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{380843}}^1$

素因数の和:380881

約数の個数: 24

約数和(自身を含む): 479863440

約数和(自身を除く): 258974500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 380843, 761686, 1523372, 1904215, 3808430, 7616860, 11044447, 22088894, 44177788, 55222235, 110444470, 220888940]

約数ペア:

[(1, 220888940), (2, 110444470), (4, 55222235), (5, 44177788), (10, 22088894), (20, 11044447), (29, 7616860), (58, 3808430), (116, 1904215), (145, 1523372), (290, 761686), (580, 380843)]