28966280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103451}}^1$

素因数の和:103469

約数の個数: 32

約数和(自身を含む): 74485440

約数和(自身を除く): 45519160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 103451, 206902, 413804, 517255, 724157, 827608, 1034510, 1448314, 2069020, 2896628, 3620785, 4138040, 5793256, 7241570, 14483140, 28966280]

約数ペア:

[(1, 28966280), (2, 14483140), (4, 7241570), (5, 5793256), (7, 4138040), (8, 3620785), (10, 2896628), (14, 2069020), (20, 1448314), (28, 1034510), (35, 827608), (40, 724157), (56, 517255), (70, 413804), (140, 206902), (280, 103451)]