170850820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1220363}}^1$

素因数の和:1220379

約数の個数: 24

約数和(自身を含む): 410042304

約数和(自身を除く): 239191484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1220363, 2440726, 4881452, 6101815, 8542541, 12203630, 17085082, 24407260, 34170164, 42712705, 85425410, 170850820]

約数ペア:

[(1, 170850820), (2, 85425410), (4, 42712705), (5, 34170164), (7, 24407260), (10, 17085082), (14, 12203630), (20, 8542541), (28, 6101815), (35, 4881452), (70, 2440726), (140, 1220363)]