281212400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1499}}^1$

素因数の和:1591

約数の個数: 120

約数和(自身を含む): 784176000

約数和(自身を除く): 502963600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 67, 70, 80, 100, 112, 134, 140, 175, 200, 268, 280, 335, 350, 400, 469, 536, 560, 670, 700, 938, 1072, 1340, 1400, 1499, 1675, 1876, 2345, 2680, 2800, 2998, 3350, 3752, 4690, 5360, 5996, 6700, 7495, 7504, 9380, 10493, 11725, 11992, 13400, 14990, 18760, 20986, 23450, 23984, 26800, 29980, 37475, 37520, 41972, 46900, 52465, 59960, 74950, 83944, 93800, 100433, 104930, 119920, 149900, 167888, 187600, 200866, 209860, 262325, 299800, 401732, 419720, 502165, 524650, 599600, 703031, 803464, 839440, 1004330, 1049300, 1406062, 1606928, 2008660, 2098600, 2510825, 2812124, 3515155, 4017320, 4197200, 5021650, 5624248, 7030310, 8034640, 10043300, 11248496, 14060620, 17575775, 20086600, 28121240, 35151550, 40173200, 56242480, 70303100, 140606200, 281212400]

約数ペア:

[(1, 281212400), (2, 140606200), (4, 70303100), (5, 56242480), (7, 40173200), (8, 35151550), (10, 28121240), (14, 20086600), (16, 17575775), (20, 14060620), (25, 11248496), (28, 10043300), (35, 8034640), (40, 7030310), (50, 5624248), (56, 5021650), (67, 4197200), (70, 4017320), (80, 3515155), (100, 2812124), (112, 2510825), (134, 2098600), (140, 2008660), (175, 1606928), (200, 1406062), (268, 1049300), (280, 1004330), (335, 839440), (350, 803464), (400, 703031), (469, 599600), (536, 524650), (560, 502165), (670, 419720), (700, 401732), (938, 299800), (1072, 262325), (1340, 209860), (1400, 200866), (1499, 187600), (1675, 167888), (1876, 149900), (2345, 119920), (2680, 104930), (2800, 100433), (2998, 93800), (3350, 83944), (3752, 74950), (4690, 59960), (5360, 52465), (5996, 46900), (6700, 41972), (7495, 37520), (7504, 37475), (9380, 29980), (10493, 26800), (11725, 23984), (11992, 23450), (13400, 20986), (14990, 18760)]