42940000

素因数分解:

$2^5\times 5^4\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:162

約数の個数: 120

約数和(自身を含む): 112182840

約数和(自身を除く): 69242840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 113, 125, 152, 160, 190, 200, 226, 250, 304, 380, 400, 452, 475, 500, 565, 608, 625, 760, 800, 904, 950, 1000, 1130, 1250, 1520, 1808, 1900, 2000, 2147, 2260, 2375, 2500, 2825, 3040, 3616, 3800, 4000, 4294, 4520, 4750, 5000, 5650, 7600, 8588, 9040, 9500, 10000, 10735, 11300, 11875, 14125, 15200, 17176, 18080, 19000, 20000, 21470, 22600, 23750, 28250, 34352, 38000, 42940, 45200, 47500, 53675, 56500, 68704, 70625, 76000, 85880, 90400, 95000, 107350, 113000, 141250, 171760, 190000, 214700, 226000, 268375, 282500, 343520, 380000, 429400, 452000, 536750, 565000, 858800, 1073500, 1130000, 1341875, 1717600, 2147000, 2260000, 2683750, 4294000, 5367500, 8588000, 10735000, 21470000, 42940000]

約数ペア:

[(1, 42940000), (2, 21470000), (4, 10735000), (5, 8588000), (8, 5367500), (10, 4294000), (16, 2683750), (19, 2260000), (20, 2147000), (25, 1717600), (32, 1341875), (38, 1130000), (40, 1073500), (50, 858800), (76, 565000), (80, 536750), (95, 452000), (100, 429400), (113, 380000), (125, 343520), (152, 282500), (160, 268375), (190, 226000), (200, 214700), (226, 190000), (250, 171760), (304, 141250), (380, 113000), (400, 107350), (452, 95000), (475, 90400), (500, 85880), (565, 76000), (608, 70625), (625, 68704), (760, 56500), (800, 53675), (904, 47500), (950, 45200), (1000, 42940), (1130, 38000), (1250, 34352), (1520, 28250), (1808, 23750), (1900, 22600), (2000, 21470), (2147, 20000), (2260, 19000), (2375, 18080), (2500, 17176), (2825, 15200), (3040, 14125), (3616, 11875), (3800, 11300), (4000, 10735), (4294, 10000), (4520, 9500), (4750, 9040), (5000, 8588), (5650, 7600)]