3938620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{4019}}^1$

素因数の和:4042

約数の個数: 36

約数和(自身を含む): 9623880

約数和(自身を除く): 5685260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 4019, 8038, 16076, 20095, 28133, 40190, 56266, 80380, 112532, 140665, 196931, 281330, 393862, 562660, 787724, 984655, 1969310, 3938620]

約数ペア:

[(1, 3938620), (2, 1969310), (4, 984655), (5, 787724), (7, 562660), (10, 393862), (14, 281330), (20, 196931), (28, 140665), (35, 112532), (49, 80380), (70, 56266), (98, 40190), (140, 28133), (196, 20095), (245, 16076), (490, 8038), (980, 4019)]