398556060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{948943}}^1$

素因数の和:948962

約数の個数: 48

約数和(自身を含む): 1275380736

約数和(自身を除く): 876824676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 948943, 1897886, 2846829, 3795772, 4744715, 5693658, 6642601, 9489430, 11387316, 13285202, 14234145, 18978860, 19927803, 26570404, 28468290, 33213005, 39855606, 56936580, 66426010, 79711212, 99639015, 132852020, 199278030, 398556060]

約数ペア:

[(1, 398556060), (2, 199278030), (3, 132852020), (4, 99639015), (5, 79711212), (6, 66426010), (7, 56936580), (10, 39855606), (12, 33213005), (14, 28468290), (15, 26570404), (20, 19927803), (21, 18978860), (28, 14234145), (30, 13285202), (35, 11387316), (42, 9489430), (60, 6642601), (70, 5693658), (84, 4744715), (105, 3795772), (140, 2846829), (210, 1897886), (420, 948943)]