139242530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{20507}}^1$

素因数の和:20618

約数の個数: 32

約数和(自身を含む): 289408896

約数和(自身を除く): 150166366

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 3395, 6790, 20507, 41014, 102535, 143549, 205070, 287098, 717745, 1435490, 1989179, 3978358, 9945895, 13924253, 19891790, 27848506, 69621265, 139242530]

約数ペア:

[(1, 139242530), (2, 69621265), (5, 27848506), (7, 19891790), (10, 13924253), (14, 9945895), (35, 3978358), (70, 1989179), (97, 1435490), (194, 717745), (485, 287098), (679, 205070), (970, 143549), (1358, 102535), (3395, 41014), (6790, 20507)]