117936020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{809}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 255966480

約数和(自身を除く): 138030460

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 197, 370, 394, 740, 788, 809, 985, 1618, 1970, 3236, 3940, 4045, 7289, 8090, 14578, 16180, 29156, 29933, 36445, 59866, 72890, 119732, 145780, 149665, 159373, 299330, 318746, 598660, 637492, 796865, 1593730, 3187460, 5896801, 11793602, 23587204, 29484005, 58968010, 117936020]

約数ペア:

[(1, 117936020), (2, 58968010), (4, 29484005), (5, 23587204), (10, 11793602), (20, 5896801), (37, 3187460), (74, 1593730), (148, 796865), (185, 637492), (197, 598660), (370, 318746), (394, 299330), (740, 159373), (788, 149665), (809, 145780), (985, 119732), (1618, 72890), (1970, 59866), (3236, 36445), (3940, 29933), (4045, 29156), (7289, 16180), (8090, 14578)]