1520306980

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{247607}}^1$

素因数の和:247923

約数の個数: 24

約数和(自身を含む): 3203057088

約数和(自身を除く): 1682750108

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 247607, 495214, 990428, 1238035, 2476070, 4952140, 76015349, 152030698, 304061396, 380076745, 760153490, 1520306980]

約数ペア:

[(1, 1520306980), (2, 760153490), (4, 380076745), (5, 304061396), (10, 152030698), (20, 76015349), (307, 4952140), (614, 2476070), (1228, 1238035), (1535, 990428), (3070, 495214), (6140, 247607)]