289260220

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{272887}}^1$

素因数の和:272949

約数の個数: 24

約数和(自身を含む): 618909984

約数和(自身を除く): 329649764

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 272887, 545774, 1091548, 1364435, 2728870, 5457740, 14463011, 28926022, 57852044, 72315055, 144630110, 289260220]

約数ペア:

[(1, 289260220), (2, 144630110), (4, 72315055), (5, 57852044), (10, 28926022), (20, 14463011), (53, 5457740), (106, 2728870), (212, 1364435), (265, 1091548), (530, 545774), (1060, 272887)]