90850900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{18541}}^1$

素因数の和:18569

約数の個数: 54

約数和(自身を含む): 229345998

約数和(自身を除く): 138495098

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 18541, 37082, 74164, 92705, 129787, 185410, 259574, 370820, 463525, 519148, 648935, 908509, 927050, 1297870, 1817018, 1854100, 2595740, 3244675, 3634036, 4542545, 6489350, 9085090, 12978700, 18170180, 22712725, 45425450, 90850900]

約数ペア:

[(1, 90850900), (2, 45425450), (4, 22712725), (5, 18170180), (7, 12978700), (10, 9085090), (14, 6489350), (20, 4542545), (25, 3634036), (28, 3244675), (35, 2595740), (49, 1854100), (50, 1817018), (70, 1297870), (98, 927050), (100, 908509), (140, 648935), (175, 519148), (196, 463525), (245, 370820), (350, 259574), (490, 185410), (700, 129787), (980, 92705), (1225, 74164), (2450, 37082), (4900, 18541)]