391563340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{5839}}^1$

素因数の和:6334

約数の個数: 48

約数和(自身を含む): 941875200

約数和(自身を除く): 550311860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 479, 958, 1916, 2395, 3353, 4790, 5839, 6706, 9580, 11678, 13412, 16765, 23356, 29195, 33530, 40873, 58390, 67060, 81746, 116780, 163492, 204365, 408730, 817460, 2796881, 5593762, 11187524, 13984405, 19578167, 27968810, 39156334, 55937620, 78312668, 97890835, 195781670, 391563340]

約数ペア:

[(1, 391563340), (2, 195781670), (4, 97890835), (5, 78312668), (7, 55937620), (10, 39156334), (14, 27968810), (20, 19578167), (28, 13984405), (35, 11187524), (70, 5593762), (140, 2796881), (479, 817460), (958, 408730), (1916, 204365), (2395, 163492), (3353, 116780), (4790, 81746), (5839, 67060), (6706, 58390), (9580, 40873), (11678, 33530), (13412, 29195), (16765, 23356)]