1380575

素因数分解:

$5^2\times 7^4\times {\mathrm{23}}^1$

素因数の和:61

約数の個数: 30

約数和(自身を含む): 2083944

約数和(自身を除く): 703369

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 343, 575, 805, 1127, 1225, 1715, 2401, 4025, 5635, 7889, 8575, 12005, 28175, 39445, 55223, 60025, 197225, 276115, 1380575]

約数ペア:

[(1, 1380575), (5, 276115), (7, 197225), (23, 60025), (25, 55223), (35, 39445), (49, 28175), (115, 12005), (161, 8575), (175, 7889), (245, 5635), (343, 4025), (575, 2401), (805, 1715), (1127, 1225)]