210018280

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{15131}}^1$

素因数の和:15489

約数の個数: 32

約数和(自身を含む): 473934240

約数和(自身を除く): 263915960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 6940, 13880, 15131, 30262, 60524, 75655, 121048, 151310, 302620, 605240, 5250457, 10500914, 21001828, 26252285, 42003656, 52504570, 105009140, 210018280]

約数ペア:

[(1, 210018280), (2, 105009140), (4, 52504570), (5, 42003656), (8, 26252285), (10, 21001828), (20, 10500914), (40, 5250457), (347, 605240), (694, 302620), (1388, 151310), (1735, 121048), (2776, 75655), (3470, 60524), (6940, 30262), (13880, 15131)]