30646420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{479}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 73866240

約数和(自身を除く): 43219820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457, 479, 914, 958, 1828, 1916, 2285, 2395, 3199, 3353, 4570, 4790, 6398, 6706, 9140, 9580, 12796, 13412, 15995, 16765, 31990, 33530, 63980, 67060, 218903, 437806, 875612, 1094515, 1532321, 2189030, 3064642, 4378060, 6129284, 7661605, 15323210, 30646420]

約数ペア:

[(1, 30646420), (2, 15323210), (4, 7661605), (5, 6129284), (7, 4378060), (10, 3064642), (14, 2189030), (20, 1532321), (28, 1094515), (35, 875612), (70, 437806), (140, 218903), (457, 67060), (479, 63980), (914, 33530), (958, 31990), (1828, 16765), (1916, 15995), (2285, 13412), (2395, 12796), (3199, 9580), (3353, 9140), (4570, 6706), (4790, 6398)]