156959740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{160163}}^1$

素因数の和:160186

約数の個数: 36

約数和(自身を含む): 383432616

約数和(自身を除く): 226472876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 160163, 320326, 640652, 800815, 1121141, 1601630, 2242282, 3203260, 4484564, 5605705, 7847987, 11211410, 15695974, 22422820, 31391948, 39239935, 78479870, 156959740]

約数ペア:

[(1, 156959740), (2, 78479870), (4, 39239935), (5, 31391948), (7, 22422820), (10, 15695974), (14, 11211410), (20, 7847987), (28, 5605705), (35, 4484564), (49, 3203260), (70, 2242282), (98, 1601630), (140, 1121141), (196, 800815), (245, 640652), (490, 320326), (980, 160163)]