12500390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 26544672

約数和(自身を除く): 14044282

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 97, 98, 194, 245, 263, 485, 490, 526, 679, 970, 1315, 1358, 1841, 2630, 3395, 3682, 4753, 6790, 9205, 9506, 12887, 18410, 23765, 25511, 25774, 47530, 51022, 64435, 127555, 128870, 178577, 255110, 357154, 892885, 1250039, 1785770, 2500078, 6250195, 12500390]

約数ペア:

[(1, 12500390), (2, 6250195), (5, 2500078), (7, 1785770), (10, 1250039), (14, 892885), (35, 357154), (49, 255110), (70, 178577), (97, 128870), (98, 127555), (194, 64435), (245, 51022), (263, 47530), (485, 25774), (490, 25511), (526, 23765), (679, 18410), (970, 12887), (1315, 9506), (1358, 9205), (1841, 6790), (2630, 4753), (3395, 3682)]