220660370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{35419}}^1$

素因数の和:35522

約数の個数: 32

約数和(自身を含む): 459043200

約数和(自身を除く): 238382830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 35419, 70838, 177095, 247933, 354190, 495866, 1239665, 2479330, 3152291, 6304582, 15761455, 22066037, 31522910, 44132074, 110330185, 220660370]

約数ペア:

[(1, 220660370), (2, 110330185), (5, 44132074), (7, 31522910), (10, 22066037), (14, 15761455), (35, 6304582), (70, 3152291), (89, 2479330), (178, 1239665), (445, 495866), (623, 354190), (890, 247933), (1246, 177095), (3115, 70838), (6230, 35419)]