156914660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{160117}}^1$

素因数の和:160140

約数の個数: 36

約数和(自身を含む): 383322492

約数和(自身を除く): 226407832

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 160117, 320234, 640468, 800585, 1120819, 1601170, 2241638, 3202340, 4483276, 5604095, 7845733, 11208190, 15691466, 22416380, 31382932, 39228665, 78457330, 156914660]

約数ペア:

[(1, 156914660), (2, 78457330), (4, 39228665), (5, 31382932), (7, 22416380), (10, 15691466), (14, 11208190), (20, 7845733), (28, 5604095), (35, 4483276), (49, 3202340), (70, 2241638), (98, 1601170), (140, 1120819), (196, 800585), (245, 640468), (490, 320234), (980, 160117)]