28030740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3361}}^1$

素因数の和:3512

約数の個数: 48

約数和(自身を含む): 79074240

約数和(自身を除く): 51043500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 3361, 4170, 6722, 8340, 10083, 13444, 16805, 20166, 33610, 40332, 50415, 67220, 100830, 201660, 467179, 934358, 1401537, 1868716, 2335895, 2803074, 4671790, 5606148, 7007685, 9343580, 14015370, 28030740]

約数ペア:

[(1, 28030740), (2, 14015370), (3, 9343580), (4, 7007685), (5, 5606148), (6, 4671790), (10, 2803074), (12, 2335895), (15, 1868716), (20, 1401537), (30, 934358), (60, 467179), (139, 201660), (278, 100830), (417, 67220), (556, 50415), (695, 40332), (834, 33610), (1390, 20166), (1668, 16805), (2085, 13444), (2780, 10083), (3361, 8340), (4170, 6722)]