140273560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{500977}}^1$

素因数の和:500995

約数の個数: 32

約数和(自身を含む): 360704160

約数和(自身を除く): 220430600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 500977, 1001954, 2003908, 2504885, 3506839, 4007816, 5009770, 7013678, 10019540, 14027356, 17534195, 20039080, 28054712, 35068390, 70136780, 140273560]

約数ペア:

[(1, 140273560), (2, 70136780), (4, 35068390), (5, 28054712), (7, 20039080), (8, 17534195), (10, 14027356), (14, 10019540), (20, 7013678), (28, 5009770), (35, 4007816), (40, 3506839), (56, 2504885), (70, 2003908), (140, 1001954), (280, 500977)]