639200

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:84

約数の個数: 72

約数和(自身を含む): 1687392

約数和(自身を除く): 1048192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 47, 50, 68, 80, 85, 94, 100, 136, 160, 170, 188, 200, 235, 272, 340, 376, 400, 425, 470, 544, 680, 752, 799, 800, 850, 940, 1175, 1360, 1504, 1598, 1700, 1880, 2350, 2720, 3196, 3400, 3760, 3995, 4700, 6392, 6800, 7520, 7990, 9400, 12784, 13600, 15980, 18800, 19975, 25568, 31960, 37600, 39950, 63920, 79900, 127840, 159800, 319600, 639200]

約数ペア:

[(1, 639200), (2, 319600), (4, 159800), (5, 127840), (8, 79900), (10, 63920), (16, 39950), (17, 37600), (20, 31960), (25, 25568), (32, 19975), (34, 18800), (40, 15980), (47, 13600), (50, 12784), (68, 9400), (80, 7990), (85, 7520), (94, 6800), (100, 6392), (136, 4700), (160, 3995), (170, 3760), (188, 3400), (200, 3196), (235, 2720), (272, 2350), (340, 1880), (376, 1700), (400, 1598), (425, 1504), (470, 1360), (544, 1175), (680, 940), (752, 850), (799, 800)]