21628600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{2207}}^1$

素因数の和:2237

約数の個数: 72

約数和(自身を含む): 58523040

約数和(自身を除く): 36894440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2207, 2450, 4414, 4900, 8828, 9800, 11035, 15449, 17656, 22070, 30898, 44140, 55175, 61796, 77245, 88280, 108143, 110350, 123592, 154490, 216286, 220700, 308980, 386225, 432572, 441400, 540715, 617960, 772450, 865144, 1081430, 1544900, 2162860, 2703575, 3089800, 4325720, 5407150, 10814300, 21628600]

約数ペア:

[(1, 21628600), (2, 10814300), (4, 5407150), (5, 4325720), (7, 3089800), (8, 2703575), (10, 2162860), (14, 1544900), (20, 1081430), (25, 865144), (28, 772450), (35, 617960), (40, 540715), (49, 441400), (50, 432572), (56, 386225), (70, 308980), (98, 220700), (100, 216286), (140, 154490), (175, 123592), (196, 110350), (200, 108143), (245, 88280), (280, 77245), (350, 61796), (392, 55175), (490, 44140), (700, 30898), (980, 22070), (1225, 17656), (1400, 15449), (1960, 11035), (2207, 9800), (2450, 8828), (4414, 4900)]