156712780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{159911}}^1$

素因数の和:159934

約数の個数: 36

約数和(自身を含む): 382829328

約数和(自身を除く): 226116548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 159911, 319822, 639644, 799555, 1119377, 1599110, 2238754, 3198220, 4477508, 5596885, 7835639, 11193770, 15671278, 22387540, 31342556, 39178195, 78356390, 156712780]

約数ペア:

[(1, 156712780), (2, 78356390), (4, 39178195), (5, 31342556), (7, 22387540), (10, 15671278), (14, 11193770), (20, 7835639), (28, 5596885), (35, 4477508), (49, 3198220), (70, 2238754), (98, 1599110), (140, 1119377), (196, 799555), (245, 639644), (490, 319822), (980, 159911)]