139394780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{995677}}^1$

素因数の和:995693

約数の個数: 24

約数和(自身を含む): 334547808

約数和(自身を除く): 195153028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 995677, 1991354, 3982708, 4978385, 6969739, 9956770, 13939478, 19913540, 27878956, 34848695, 69697390, 139394780]

約数ペア:

[(1, 139394780), (2, 69697390), (4, 34848695), (5, 27878956), (7, 19913540), (10, 13939478), (14, 9956770), (20, 6969739), (28, 4978385), (35, 3982708), (70, 1991354), (140, 995677)]