420447.00000000

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12107}}^1$

素因数の和:12181

約数の個数: 32

約数和(自身を含む): 90083520

約数和(自身を除く): 48726008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 12107, 24214, 48428, 84749, 96856, 169498, 338996, 677992, 738527, 1477054, 2954108, 5169689, 5908216, 10339378, 20678756, 41357512]

約数ペア:

[(1, 41357512), (2, 20678756), (4, 10339378), (7, 5908216), (8, 5169689), (14, 2954108), (28, 1477054), (56, 738527), (61, 677992), (122, 338996), (244, 169498), (427, 96856), (488, 84749), (854, 48428), (1708, 24214), (3416, 12107)]