7718000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:267

約数の個数: 80

約数和(自身を含む): 19846944

約数和(自身を除く): 12128944

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 227, 250, 272, 340, 400, 425, 454, 500, 680, 850, 908, 1000, 1135, 1360, 1700, 1816, 2000, 2125, 2270, 3400, 3632, 3859, 4250, 4540, 5675, 6800, 7718, 8500, 9080, 11350, 15436, 17000, 18160, 19295, 22700, 28375, 30872, 34000, 38590, 45400, 56750, 61744, 77180, 90800, 96475, 113500, 154360, 192950, 227000, 308720, 385900, 454000, 482375, 771800, 964750, 1543600, 1929500, 3859000, 7718000]

約数ペア:

[(1, 7718000), (2, 3859000), (4, 1929500), (5, 1543600), (8, 964750), (10, 771800), (16, 482375), (17, 454000), (20, 385900), (25, 308720), (34, 227000), (40, 192950), (50, 154360), (68, 113500), (80, 96475), (85, 90800), (100, 77180), (125, 61744), (136, 56750), (170, 45400), (200, 38590), (227, 34000), (250, 30872), (272, 28375), (340, 22700), (400, 19295), (425, 18160), (454, 17000), (500, 15436), (680, 11350), (850, 9080), (908, 8500), (1000, 7718), (1135, 6800), (1360, 5675), (1700, 4540), (1816, 4250), (2000, 3859), (2125, 3632), (2270, 3400)]