28927640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{14759}}^1$

素因数の和:14784

約数の個数: 48

約数和(自身を含む): 75718800

約数和(自身を除く): 46791160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 14759, 29518, 59036, 73795, 103313, 118072, 147590, 206626, 295180, 413252, 516565, 590360, 723191, 826504, 1033130, 1446382, 2066260, 2892764, 3615955, 4132520, 5785528, 7231910, 14463820, 28927640]

約数ペア:

[(1, 28927640), (2, 14463820), (4, 7231910), (5, 5785528), (7, 4132520), (8, 3615955), (10, 2892764), (14, 2066260), (20, 1446382), (28, 1033130), (35, 826504), (40, 723191), (49, 590360), (56, 516565), (70, 413252), (98, 295180), (140, 206626), (196, 147590), (245, 118072), (280, 103313), (392, 73795), (490, 59036), (980, 29518), (1960, 14759)]