2187440

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:789

約数の個数: 40

約数和(自身を含む): 5230320

約数和(自身を除く): 3042880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 739, 740, 1478, 1480, 2956, 2960, 3695, 5912, 7390, 11824, 14780, 27343, 29560, 54686, 59120, 109372, 136715, 218744, 273430, 437488, 546860, 1093720, 2187440]

約数ペア:

[(1, 2187440), (2, 1093720), (4, 546860), (5, 437488), (8, 273430), (10, 218744), (16, 136715), (20, 109372), (37, 59120), (40, 54686), (74, 29560), (80, 27343), (148, 14780), (185, 11824), (296, 7390), (370, 5912), (592, 3695), (739, 2960), (740, 2956), (1478, 1480)]