198888870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{213859}}^1$

素因数の和:213900

約数の個数: 32

約数和(自身を含む): 492733440

約数和(自身を除く): 293844570

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 213859, 427718, 641577, 1069295, 1283154, 2138590, 3207885, 6415770, 6629629, 13259258, 19888887, 33148145, 39777774, 66296290, 99444435, 198888870]

約数ペア:

[(1, 198888870), (2, 99444435), (3, 66296290), (5, 39777774), (6, 33148145), (10, 19888887), (15, 13259258), (30, 6629629), (31, 6415770), (62, 3207885), (93, 2138590), (155, 1283154), (186, 1069295), (310, 641577), (465, 427718), (930, 213859)]