28464420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3413}}^1$

素因数の和:3564

約数の個数: 48

約数和(自身を含む): 80297280

約数和(自身を除く): 51832860

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, 3413, 4170, 6826, 8340, 10239, 13652, 17065, 20478, 34130, 40956, 51195, 68260, 102390, 204780, 474407, 948814, 1423221, 1897628, 2372035, 2846442, 4744070, 5692884, 7116105, 9488140, 14232210, 28464420]

約数ペア:

[(1, 28464420), (2, 14232210), (3, 9488140), (4, 7116105), (5, 5692884), (6, 4744070), (10, 2846442), (12, 2372035), (15, 1897628), (20, 1423221), (30, 948814), (60, 474407), (139, 204780), (278, 102390), (417, 68260), (556, 51195), (695, 40956), (834, 34130), (1390, 20478), (1668, 17065), (2085, 13652), (2780, 10239), (3413, 8340), (4170, 6826)]