1947142000

素因数分解:

$2^4\times 5^3\times {\mathrm{89}}^1\times {\mathrm{10939}}^1$

素因数の和:11051

約数の個数: 80

約数和(自身を含む): 4761525600

約数和(自身を除く): 2814383600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 125, 178, 200, 250, 356, 400, 445, 500, 712, 890, 1000, 1424, 1780, 2000, 2225, 3560, 4450, 7120, 8900, 10939, 11125, 17800, 21878, 22250, 35600, 43756, 44500, 54695, 87512, 89000, 109390, 175024, 178000, 218780, 273475, 437560, 546950, 875120, 973571, 1093900, 1367375, 1947142, 2187800, 2734750, 3894284, 4375600, 4867855, 5469500, 7788568, 9735710, 10939000, 15577136, 19471420, 21878000, 24339275, 38942840, 48678550, 77885680, 97357100, 121696375, 194714200, 243392750, 389428400, 486785500, 973571000, 1947142000]

約数ペア:

[(1, 1947142000), (2, 973571000), (4, 486785500), (5, 389428400), (8, 243392750), (10, 194714200), (16, 121696375), (20, 97357100), (25, 77885680), (40, 48678550), (50, 38942840), (80, 24339275), (89, 21878000), (100, 19471420), (125, 15577136), (178, 10939000), (200, 9735710), (250, 7788568), (356, 5469500), (400, 4867855), (445, 4375600), (500, 3894284), (712, 2734750), (890, 2187800), (1000, 1947142), (1424, 1367375), (1780, 1093900), (2000, 973571), (2225, 875120), (3560, 546950), (4450, 437560), (7120, 273475), (8900, 218780), (10939, 178000), (11125, 175024), (17800, 109390), (21878, 89000), (22250, 87512), (35600, 54695), (43756, 44500)]