2684780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 6537216

約数和(自身を除く): 3852436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 151, 254, 302, 508, 604, 635, 755, 889, 1057, 1270, 1510, 1778, 2114, 2540, 3020, 3556, 4228, 4445, 5285, 8890, 10570, 17780, 19177, 21140, 38354, 76708, 95885, 134239, 191770, 268478, 383540, 536956, 671195, 1342390, 2684780]

約数ペア:

[(1, 2684780), (2, 1342390), (4, 671195), (5, 536956), (7, 383540), (10, 268478), (14, 191770), (20, 134239), (28, 95885), (35, 76708), (70, 38354), (127, 21140), (140, 19177), (151, 17780), (254, 10570), (302, 8890), (508, 5285), (604, 4445), (635, 4228), (755, 3556), (889, 3020), (1057, 2540), (1270, 2114), (1510, 1778)]