27721400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{19801}}^1$

素因数の和:19824

約数の個数: 48

約数和(自身を含む): 73663440

約数和(自身を除く): 45942040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 19801, 39602, 79204, 99005, 138607, 158408, 198010, 277214, 396020, 495025, 554428, 693035, 792040, 990050, 1108856, 1386070, 1980100, 2772140, 3465175, 3960200, 5544280, 6930350, 13860700, 27721400]

約数ペア:

[(1, 27721400), (2, 13860700), (4, 6930350), (5, 5544280), (7, 3960200), (8, 3465175), (10, 2772140), (14, 1980100), (20, 1386070), (25, 1108856), (28, 990050), (35, 792040), (40, 693035), (50, 554428), (56, 495025), (70, 396020), (100, 277214), (140, 198010), (175, 158408), (200, 138607), (280, 99005), (350, 79204), (700, 39602), (1400, 19801)]