280140112

素因数分解:

$2^4\times 7^1\times {\mathrm{2501251}}^1$

素因数の和:2501266

約数の個数: 20

約数和(自身を含む): 620310496

約数和(自身を除く): 340170384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2501251, 5002502, 10005004, 17508757, 20010008, 35017514, 40020016, 70035028, 140070056, 280140112]

約数ペア:

[(1, 280140112), (2, 140070056), (4, 70035028), (7, 40020016), (8, 35017514), (14, 20010008), (16, 17508757), (28, 10005004), (56, 5002502), (112, 2501251)]