28874460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1789}}^1$

素因数の和:2070

約数の個数: 48

約数和(自身を含む): 81194400

約数和(自身を除く): 52319940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 269, 538, 807, 1076, 1345, 1614, 1789, 2690, 3228, 3578, 4035, 5367, 5380, 7156, 8070, 8945, 10734, 16140, 17890, 21468, 26835, 35780, 53670, 107340, 481241, 962482, 1443723, 1924964, 2406205, 2887446, 4812410, 5774892, 7218615, 9624820, 14437230, 28874460]

約数ペア:

[(1, 28874460), (2, 14437230), (3, 9624820), (4, 7218615), (5, 5774892), (6, 4812410), (10, 2887446), (12, 2406205), (15, 1924964), (20, 1443723), (30, 962482), (60, 481241), (269, 107340), (538, 53670), (807, 35780), (1076, 26835), (1345, 21468), (1614, 17890), (1789, 16140), (2690, 10734), (3228, 8945), (3578, 8070), (4035, 7156), (5367, 5380)]