90899620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{649283}}^1$

素因数の和:649299

約数の個数: 24

約数和(自身を含む): 218159424

約数和(自身を除く): 127259804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 649283, 1298566, 2597132, 3246415, 4544981, 6492830, 9089962, 12985660, 18179924, 22724905, 45449810, 90899620]

約数ペア:

[(1, 90899620), (2, 45449810), (4, 22724905), (5, 18179924), (7, 12985660), (10, 9089962), (14, 6492830), (20, 4544981), (28, 3246415), (35, 2597132), (70, 1298566), (140, 649283)]