156620380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1118717}}^1$

素因数の和:1118733

約数の個数: 24

約数和(自身を含む): 375889248

約数和(自身を除く): 219268868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1118717, 2237434, 4474868, 5593585, 7831019, 11187170, 15662038, 22374340, 31324076, 39155095, 78310190, 156620380]

約数ペア:

[(1, 156620380), (2, 78310190), (4, 39155095), (5, 31324076), (7, 22374340), (10, 15662038), (14, 11187170), (20, 7831019), (28, 5593585), (35, 4474868), (70, 2237434), (140, 1118717)]