89377820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{5857}}^1$

素因数の和:5982

約数の個数: 48

約数和(自身を含む): 216511680

約数和(自身を除く): 127133860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 5857, 7630, 11714, 15260, 23428, 29285, 40999, 58570, 81998, 117140, 163996, 204995, 409990, 638413, 819980, 1276826, 2553652, 3192065, 4468891, 6384130, 8937782, 12768260, 17875564, 22344455, 44688910, 89377820]

約数ペア:

[(1, 89377820), (2, 44688910), (4, 22344455), (5, 17875564), (7, 12768260), (10, 8937782), (14, 6384130), (20, 4468891), (28, 3192065), (35, 2553652), (70, 1276826), (109, 819980), (140, 638413), (218, 409990), (436, 204995), (545, 163996), (763, 117140), (1090, 81998), (1526, 58570), (2180, 40999), (3052, 29285), (3815, 23428), (5857, 15260), (7630, 11714)]