28861630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4003}}^1$

素因数の和:4120

約数の個数: 32

約数和(自身を含む): 59963904

約数和(自身を除く): 31102274

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3605, 4003, 7210, 8006, 20015, 28021, 40030, 56042, 140105, 280210, 412309, 824618, 2061545, 2886163, 4123090, 5772326, 14430815, 28861630]

約数ペア:

[(1, 28861630), (2, 14430815), (5, 5772326), (7, 4123090), (10, 2886163), (14, 2061545), (35, 824618), (70, 412309), (103, 280210), (206, 140105), (515, 56042), (721, 40030), (1030, 28021), (1442, 20015), (3605, 8006), (4003, 7210)]