18010400

素因数分解:

$2^5\times 5^2\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:546

約数の個数: 72

約数和(自身を含む): 44997120

約数和(自身を除く): 26986720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 80, 94, 100, 160, 188, 200, 235, 376, 400, 470, 479, 752, 800, 940, 958, 1175, 1504, 1880, 1916, 2350, 2395, 3760, 3832, 4700, 4790, 7520, 7664, 9400, 9580, 11975, 15328, 18800, 19160, 22513, 23950, 37600, 38320, 45026, 47900, 76640, 90052, 95800, 112565, 180104, 191600, 225130, 360208, 383200, 450260, 562825, 720416, 900520, 1125650, 1801040, 2251300, 3602080, 4502600, 9005200, 18010400]

約数ペア:

[(1, 18010400), (2, 9005200), (4, 4502600), (5, 3602080), (8, 2251300), (10, 1801040), (16, 1125650), (20, 900520), (25, 720416), (32, 562825), (40, 450260), (47, 383200), (50, 360208), (80, 225130), (94, 191600), (100, 180104), (160, 112565), (188, 95800), (200, 90052), (235, 76640), (376, 47900), (400, 45026), (470, 38320), (479, 37600), (752, 23950), (800, 22513), (940, 19160), (958, 18800), (1175, 15328), (1504, 11975), (1880, 9580), (1916, 9400), (2350, 7664), (2395, 7520), (3760, 4790), (3832, 4700)]