2100023975

素因数分解:

$5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{1237}}^1$

素因数の和:1452

約数の個数: 48

約数和(自身を含む): 3039537600

約数和(自身を除く): 939513625

約数列:

[1, 5, 7, 25, 35, 89, 109, 175, 445, 545, 623, 763, 1237, 2225, 2725, 3115, 3815, 6185, 8659, 9701, 15575, 19075, 30925, 43295, 48505, 67907, 110093, 134833, 216475, 242525, 339535, 550465, 674165, 770651, 943831, 1697675, 2752325, 3370825, 3853255, 4719155, 12000137, 19266275, 23595775, 60000685, 84000959, 300003425, 420004795, 2100023975]

約数ペア:

[(1, 2100023975), (5, 420004795), (7, 300003425), (25, 84000959), (35, 60000685), (89, 23595775), (109, 19266275), (175, 12000137), (445, 4719155), (545, 3853255), (623, 3370825), (763, 2752325), (1237, 1697675), (2225, 943831), (2725, 770651), (3115, 674165), (3815, 550465), (6185, 339535), (8659, 242525), (9701, 216475), (15575, 134833), (19075, 110093), (30925, 67907), (43295, 48505)]