1990227610

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{22691}}^1$

素因数の和:22891

約数の個数: 48

約数和(自身を含む): 4190758560

約数和(自身を除く): 2200530950

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 179, 245, 358, 490, 895, 1253, 1790, 2506, 6265, 8771, 12530, 17542, 22691, 43855, 45382, 87710, 113455, 158837, 226910, 317674, 794185, 1111859, 1588370, 2223718, 4061689, 5559295, 8123378, 11118590, 20308445, 28431823, 40616890, 56863646, 142159115, 199022761, 284318230, 398045522, 995113805, 1990227610]

約数ペア:

[(1, 1990227610), (2, 995113805), (5, 398045522), (7, 284318230), (10, 199022761), (14, 142159115), (35, 56863646), (49, 40616890), (70, 28431823), (98, 20308445), (179, 11118590), (245, 8123378), (358, 5559295), (490, 4061689), (895, 2223718), (1253, 1588370), (1790, 1111859), (2506, 794185), (6265, 317674), (8771, 226910), (12530, 158837), (17542, 113455), (22691, 87710), (43855, 45382)]