140971640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{739}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 335664000

約数和(自身を除く): 194692360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 251, 380, 502, 739, 760, 1004, 1255, 1478, 2008, 2510, 2956, 3695, 4769, 5020, 5912, 7390, 9538, 10040, 14041, 14780, 19076, 23845, 28082, 29560, 38152, 47690, 56164, 70205, 95380, 112328, 140410, 185489, 190760, 280820, 370978, 561640, 741956, 927445, 1483912, 1854890, 3524291, 3709780, 7048582, 7419560, 14097164, 17621455, 28194328, 35242910, 70485820, 140971640]

約数ペア:

[(1, 140971640), (2, 70485820), (4, 35242910), (5, 28194328), (8, 17621455), (10, 14097164), (19, 7419560), (20, 7048582), (38, 3709780), (40, 3524291), (76, 1854890), (95, 1483912), (152, 927445), (190, 741956), (251, 561640), (380, 370978), (502, 280820), (739, 190760), (760, 185489), (1004, 140410), (1255, 112328), (1478, 95380), (2008, 70205), (2510, 56164), (2956, 47690), (3695, 38152), (4769, 29560), (5020, 28082), (5912, 23845), (7390, 19076), (9538, 14780), (10040, 14041)]