1127980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1151}}^1$

素因数の和:1174

約数の個数: 36

約数和(自身を含む): 2757888

約数和(自身を除く): 1629908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1151, 2302, 4604, 5755, 8057, 11510, 16114, 23020, 32228, 40285, 56399, 80570, 112798, 161140, 225596, 281995, 563990, 1127980]

約数ペア:

[(1, 1127980), (2, 563990), (4, 281995), (5, 225596), (7, 161140), (10, 112798), (14, 80570), (20, 56399), (28, 40285), (35, 32228), (49, 23020), (70, 16114), (98, 11510), (140, 8057), (196, 5755), (245, 4604), (490, 2302), (980, 1151)]