156567740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{159763}}^1$

素因数の和:159786

約数の個数: 36

約数和(自身を含む): 382475016

約数和(自身を除く): 225907276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 159763, 319526, 639052, 798815, 1118341, 1597630, 2236682, 3195260, 4473364, 5591705, 7828387, 11183410, 15656774, 22366820, 31313548, 39141935, 78283870, 156567740]

約数ペア:

[(1, 156567740), (2, 78283870), (4, 39141935), (5, 31313548), (7, 22366820), (10, 15656774), (14, 11183410), (20, 7828387), (28, 5591705), (35, 4473364), (49, 3195260), (70, 2236682), (98, 1597630), (140, 1118341), (196, 798815), (245, 639052), (490, 319526), (980, 159763)]