242478220

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{34739}}^1$

素因数の和:35097

約数の個数: 24

約数和(自身を含む): 510678000

約数和(自身を除く): 268199780

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 34739, 69478, 138956, 173695, 347390, 694780, 12123911, 24247822, 48495644, 60619555, 121239110, 242478220]

約数ペア:

[(1, 242478220), (2, 121239110), (4, 60619555), (5, 48495644), (10, 24247822), (20, 12123911), (349, 694780), (698, 347390), (1396, 173695), (1745, 138956), (3490, 69478), (6980, 34739)]