90476680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{323131}}^1$

素因数の和:323149

約数の個数: 32

約数和(自身を含む): 232655040

約数和(自身を除く): 142178360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 323131, 646262, 1292524, 1615655, 2261917, 2585048, 3231310, 4523834, 6462620, 9047668, 11309585, 12925240, 18095336, 22619170, 45238340, 90476680]

約数ペア:

[(1, 90476680), (2, 45238340), (4, 22619170), (5, 18095336), (7, 12925240), (8, 11309585), (10, 9047668), (14, 6462620), (20, 4523834), (28, 3231310), (35, 2585048), (40, 2261917), (56, 1615655), (70, 1292524), (140, 646262), (280, 323131)]