39904900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 100063040

約数和(自身を除く): 60158140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 109, 140, 175, 218, 350, 436, 523, 545, 700, 763, 1046, 1090, 1526, 2092, 2180, 2615, 2725, 3052, 3661, 3815, 5230, 5450, 7322, 7630, 10460, 10900, 13075, 14644, 15260, 18305, 19075, 26150, 36610, 38150, 52300, 57007, 73220, 76300, 91525, 114014, 183050, 228028, 285035, 366100, 399049, 570070, 798098, 1140140, 1425175, 1596196, 1995245, 2850350, 3990490, 5700700, 7980980, 9976225, 19952450, 39904900]

約数ペア:

[(1, 39904900), (2, 19952450), (4, 9976225), (5, 7980980), (7, 5700700), (10, 3990490), (14, 2850350), (20, 1995245), (25, 1596196), (28, 1425175), (35, 1140140), (50, 798098), (70, 570070), (100, 399049), (109, 366100), (140, 285035), (175, 228028), (218, 183050), (350, 114014), (436, 91525), (523, 76300), (545, 73220), (700, 57007), (763, 52300), (1046, 38150), (1090, 36610), (1526, 26150), (2092, 19075), (2180, 18305), (2615, 15260), (2725, 14644), (3052, 13075), (3661, 10900), (3815, 10460), (5230, 7630), (5450, 7322)]