499804540

素因数分解:

$2^2\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{12539}}^1$

素因数の和:14541

約数の個数: 24

約数和(自身を含む): 1050199920

約数和(自身を除く): 550395380

約数列:

[1, 2, 4, 5, 10, 20, 1993, 3986, 7972, 9965, 12539, 19930, 25078, 39860, 50156, 62695, 125390, 250780, 24990227, 49980454, 99960908, 124951135, 249902270, 499804540]

約数ペア:

[(1, 499804540), (2, 249902270), (4, 124951135), (5, 99960908), (10, 49980454), (20, 24990227), (1993, 250780), (3986, 125390), (7972, 62695), (9965, 50156), (12539, 39860), (19930, 25078)]