247480000

素因数分解:

$2^6\times 5^4\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:324

約数の個数: 140

約数和(自身を含む): 642731760

約数和(自身を除く): 395251760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 125, 160, 184, 200, 230, 250, 269, 320, 368, 400, 460, 500, 538, 575, 625, 736, 800, 920, 1000, 1076, 1150, 1250, 1345, 1472, 1600, 1840, 2000, 2152, 2300, 2500, 2690, 2875, 3680, 4000, 4304, 4600, 5000, 5380, 5750, 6187, 6725, 7360, 8000, 8608, 9200, 10000, 10760, 11500, 12374, 13450, 14375, 17216, 18400, 20000, 21520, 23000, 24748, 26900, 28750, 30935, 33625, 36800, 40000, 43040, 46000, 49496, 53800, 57500, 61870, 67250, 86080, 92000, 98992, 107600, 115000, 123740, 134500, 154675, 168125, 184000, 197984, 215200, 230000, 247480, 269000, 309350, 336250, 395968, 430400, 460000, 494960, 538000, 618700, 672500, 773375, 920000, 989920, 1076000, 1237400, 1345000, 1546750, 1979840, 2152000, 2474800, 2690000, 3093500, 3866875, 4949600, 5380000, 6187000, 7733750, 9899200, 10760000, 12374000, 15467500, 24748000, 30935000, 49496000, 61870000, 123740000, 247480000]

約数ペア:

[(1, 247480000), (2, 123740000), (4, 61870000), (5, 49496000), (8, 30935000), (10, 24748000), (16, 15467500), (20, 12374000), (23, 10760000), (25, 9899200), (32, 7733750), (40, 6187000), (46, 5380000), (50, 4949600), (64, 3866875), (80, 3093500), (92, 2690000), (100, 2474800), (115, 2152000), (125, 1979840), (160, 1546750), (184, 1345000), (200, 1237400), (230, 1076000), (250, 989920), (269, 920000), (320, 773375), (368, 672500), (400, 618700), (460, 538000), (500, 494960), (538, 460000), (575, 430400), (625, 395968), (736, 336250), (800, 309350), (920, 269000), (1000, 247480), (1076, 230000), (1150, 215200), (1250, 197984), (1345, 184000), (1472, 168125), (1600, 154675), (1840, 134500), (2000, 123740), (2152, 115000), (2300, 107600), (2500, 98992), (2690, 92000), (2875, 86080), (3680, 67250), (4000, 61870), (4304, 57500), (4600, 53800), (5000, 49496), (5380, 46000), (5750, 43040), (6187, 40000), (6725, 36800), (7360, 33625), (8000, 30935), (8608, 28750), (9200, 26900), (10000, 24748), (10760, 23000), (11500, 21520), (12374, 20000), (13450, 18400), (14375, 17216)]