11515000

素因数分解:

$2^3\times 5^4\times 7^2\times {\mathrm{47}}^1$

素因数の和:87

約数の個数: 120

約数和(自身を含む): 32052240

約数和(自身を除く): 20537240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 47, 49, 50, 56, 70, 94, 98, 100, 125, 140, 175, 188, 196, 200, 235, 245, 250, 280, 329, 350, 376, 392, 470, 490, 500, 625, 658, 700, 875, 940, 980, 1000, 1175, 1225, 1250, 1316, 1400, 1645, 1750, 1880, 1960, 2303, 2350, 2450, 2500, 2632, 3290, 3500, 4375, 4606, 4700, 4900, 5000, 5875, 6125, 6580, 7000, 8225, 8750, 9212, 9400, 9800, 11515, 11750, 12250, 13160, 16450, 17500, 18424, 23030, 23500, 24500, 29375, 30625, 32900, 35000, 41125, 46060, 47000, 49000, 57575, 58750, 61250, 65800, 82250, 92120, 115150, 117500, 122500, 164500, 205625, 230300, 235000, 245000, 287875, 329000, 411250, 460600, 575750, 822500, 1151500, 1439375, 1645000, 2303000, 2878750, 5757500, 11515000]

約数ペア:

[(1, 11515000), (2, 5757500), (4, 2878750), (5, 2303000), (7, 1645000), (8, 1439375), (10, 1151500), (14, 822500), (20, 575750), (25, 460600), (28, 411250), (35, 329000), (40, 287875), (47, 245000), (49, 235000), (50, 230300), (56, 205625), (70, 164500), (94, 122500), (98, 117500), (100, 115150), (125, 92120), (140, 82250), (175, 65800), (188, 61250), (196, 58750), (200, 57575), (235, 49000), (245, 47000), (250, 46060), (280, 41125), (329, 35000), (350, 32900), (376, 30625), (392, 29375), (470, 24500), (490, 23500), (500, 23030), (625, 18424), (658, 17500), (700, 16450), (875, 13160), (940, 12250), (980, 11750), (1000, 11515), (1175, 9800), (1225, 9400), (1250, 9212), (1316, 8750), (1400, 8225), (1645, 7000), (1750, 6580), (1880, 6125), (1960, 5875), (2303, 5000), (2350, 4900), (2450, 4700), (2500, 4606), (2632, 4375), (3290, 3500)]