208771870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{719903}}^1$

素因数の和:719939

約数の個数: 16

約数和(自身を含む): 388748160

約数和(自身を除く): 179976290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 719903, 1439806, 3599515, 7199030, 20877187, 41754374, 104385935, 208771870]

約数ペア:

[(1, 208771870), (2, 104385935), (5, 41754374), (10, 20877187), (29, 7199030), (58, 3599515), (145, 1439806), (290, 719903)]