289365080

素因数分解:

$2^3\times 5^1\times {\mathrm{967}}^1\times {\mathrm{7481}}^1$

素因数の和:8459

約数の個数: 32

約数和(自身を含む): 651831840

約数和(自身を除く): 362466760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 967, 1934, 3868, 4835, 7481, 7736, 9670, 14962, 19340, 29924, 37405, 38680, 59848, 74810, 149620, 299240, 7234127, 14468254, 28936508, 36170635, 57873016, 72341270, 144682540, 289365080]

約数ペア:

[(1, 289365080), (2, 144682540), (4, 72341270), (5, 57873016), (8, 36170635), (10, 28936508), (20, 14468254), (40, 7234127), (967, 299240), (1934, 149620), (3868, 74810), (4835, 59848), (7481, 38680), (7736, 37405), (9670, 29924), (14962, 19340)]