28988910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18947}}^1$

素因数の和:18977

約数の個数: 48

約数和(自身を含む): 79808976

約数和(自身を除く): 50820066

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 18947, 37894, 56841, 94735, 113682, 170523, 189470, 284205, 322099, 341046, 568410, 644198, 852615, 966297, 1610495, 1705230, 1932594, 2898891, 3220990, 4831485, 5797782, 9662970, 14494455, 28988910]

約数ペア:

[(1, 28988910), (2, 14494455), (3, 9662970), (5, 5797782), (6, 4831485), (9, 3220990), (10, 2898891), (15, 1932594), (17, 1705230), (18, 1610495), (30, 966297), (34, 852615), (45, 644198), (51, 568410), (85, 341046), (90, 322099), (102, 284205), (153, 189470), (170, 170523), (255, 113682), (306, 94735), (510, 56841), (765, 37894), (1530, 18947)]