8740000

素因数分解:

$2^5\times 5^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 120

約数和(自身を含む): 23617440

約数和(自身を除く): 14877440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 25, 32, 38, 40, 46, 50, 76, 80, 92, 95, 100, 115, 125, 152, 160, 184, 190, 200, 230, 250, 304, 368, 380, 400, 437, 460, 475, 500, 575, 608, 625, 736, 760, 800, 874, 920, 950, 1000, 1150, 1250, 1520, 1748, 1840, 1900, 2000, 2185, 2300, 2375, 2500, 2875, 3040, 3496, 3680, 3800, 4000, 4370, 4600, 4750, 5000, 5750, 6992, 7600, 8740, 9200, 9500, 10000, 10925, 11500, 11875, 13984, 14375, 15200, 17480, 18400, 19000, 20000, 21850, 23000, 23750, 28750, 34960, 38000, 43700, 46000, 47500, 54625, 57500, 69920, 76000, 87400, 92000, 95000, 109250, 115000, 174800, 190000, 218500, 230000, 273125, 349600, 380000, 437000, 460000, 546250, 874000, 1092500, 1748000, 2185000, 4370000, 8740000]

約数ペア:

[(1, 8740000), (2, 4370000), (4, 2185000), (5, 1748000), (8, 1092500), (10, 874000), (16, 546250), (19, 460000), (20, 437000), (23, 380000), (25, 349600), (32, 273125), (38, 230000), (40, 218500), (46, 190000), (50, 174800), (76, 115000), (80, 109250), (92, 95000), (95, 92000), (100, 87400), (115, 76000), (125, 69920), (152, 57500), (160, 54625), (184, 47500), (190, 46000), (200, 43700), (230, 38000), (250, 34960), (304, 28750), (368, 23750), (380, 23000), (400, 21850), (437, 20000), (460, 19000), (475, 18400), (500, 17480), (575, 15200), (608, 14375), (625, 13984), (736, 11875), (760, 11500), (800, 10925), (874, 10000), (920, 9500), (950, 9200), (1000, 8740), (1150, 7600), (1250, 6992), (1520, 5750), (1748, 5000), (1840, 4750), (1900, 4600), (2000, 4370), (2185, 4000), (2300, 3800), (2375, 3680), (2500, 3496), (2875, 3040)]