187728080

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{15749}}^1$

素因数の和:15911

約数の個数: 40

約数和(自身を含む): 439425000

約数和(自身を除く): 251696920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 15749, 31498, 62996, 78745, 125992, 157490, 251984, 314980, 629960, 1259920, 2346601, 4693202, 9386404, 11733005, 18772808, 23466010, 37545616, 46932020, 93864040, 187728080]

約数ペア:

[(1, 187728080), (2, 93864040), (4, 46932020), (5, 37545616), (8, 23466010), (10, 18772808), (16, 11733005), (20, 9386404), (40, 4693202), (80, 2346601), (149, 1259920), (298, 629960), (596, 314980), (745, 251984), (1192, 157490), (1490, 125992), (2384, 78745), (2980, 62996), (5960, 31498), (11920, 15749)]