128923760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{230221}}^1$

素因数の和:230241

約数の個数: 40

約数和(自身を含む): 342570336

約数和(自身を除く): 213646576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 230221, 460442, 920884, 1151105, 1611547, 1841768, 2302210, 3223094, 3683536, 4604420, 6446188, 8057735, 9208840, 12892376, 16115470, 18417680, 25784752, 32230940, 64461880, 128923760]

約数ペア:

[(1, 128923760), (2, 64461880), (4, 32230940), (5, 25784752), (7, 18417680), (8, 16115470), (10, 12892376), (14, 9208840), (16, 8057735), (20, 6446188), (28, 4604420), (35, 3683536), (40, 3223094), (56, 2302210), (70, 1841768), (80, 1611547), (112, 1151105), (140, 920884), (280, 460442), (560, 230221)]