243600520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1277}}^1$

素因数の和:1558

約数の個数: 64

約数和(自身を含む): 579700800

約数和(自身を除く): 336100280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 251, 380, 502, 760, 1004, 1255, 1277, 2008, 2510, 2554, 4769, 5020, 5108, 6385, 9538, 10040, 10216, 12770, 19076, 23845, 24263, 25540, 38152, 47690, 48526, 51080, 95380, 97052, 121315, 190760, 194104, 242630, 320527, 485260, 641054, 970520, 1282108, 1602635, 2564216, 3205270, 6090013, 6410540, 12180026, 12821080, 24360052, 30450065, 48720104, 60900130, 121800260, 243600520]

約数ペア:

[(1, 243600520), (2, 121800260), (4, 60900130), (5, 48720104), (8, 30450065), (10, 24360052), (19, 12821080), (20, 12180026), (38, 6410540), (40, 6090013), (76, 3205270), (95, 2564216), (152, 1602635), (190, 1282108), (251, 970520), (380, 641054), (502, 485260), (760, 320527), (1004, 242630), (1255, 194104), (1277, 190760), (2008, 121315), (2510, 97052), (2554, 95380), (4769, 51080), (5020, 48526), (5108, 47690), (6385, 38152), (9538, 25540), (10040, 24263), (10216, 23845), (12770, 19076)]