19798400

素因数分解:

$2^7\times 5^2\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 51224400

約数和(自身を除く): 31426000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 160, 184, 200, 230, 269, 320, 368, 400, 460, 538, 575, 640, 736, 800, 920, 1076, 1150, 1345, 1472, 1600, 1840, 2152, 2300, 2690, 2944, 3200, 3680, 4304, 4600, 5380, 6187, 6725, 7360, 8608, 9200, 10760, 12374, 13450, 14720, 17216, 18400, 21520, 24748, 26900, 30935, 34432, 36800, 43040, 49496, 53800, 61870, 73600, 86080, 98992, 107600, 123740, 154675, 172160, 197984, 215200, 247480, 309350, 395968, 430400, 494960, 618700, 791936, 860800, 989920, 1237400, 1979840, 2474800, 3959680, 4949600, 9899200, 19798400]

約数ペア:

[(1, 19798400), (2, 9899200), (4, 4949600), (5, 3959680), (8, 2474800), (10, 1979840), (16, 1237400), (20, 989920), (23, 860800), (25, 791936), (32, 618700), (40, 494960), (46, 430400), (50, 395968), (64, 309350), (80, 247480), (92, 215200), (100, 197984), (115, 172160), (128, 154675), (160, 123740), (184, 107600), (200, 98992), (230, 86080), (269, 73600), (320, 61870), (368, 53800), (400, 49496), (460, 43040), (538, 36800), (575, 34432), (640, 30935), (736, 26900), (800, 24748), (920, 21520), (1076, 18400), (1150, 17216), (1345, 14720), (1472, 13450), (1600, 12374), (1840, 10760), (2152, 9200), (2300, 8608), (2690, 7360), (2944, 6725), (3200, 6187), (3680, 5380), (4304, 4600)]