38815000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{1109}}^1$

素因数の和:1142

約数の個数: 80

約数和(自身を含む): 104029200

約数和(自身を除く): 65214200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 625, 700, 875, 1000, 1109, 1250, 1400, 1750, 2218, 2500, 3500, 4375, 4436, 5000, 5545, 7000, 7763, 8750, 8872, 11090, 15526, 17500, 22180, 27725, 31052, 35000, 38815, 44360, 55450, 62104, 77630, 110900, 138625, 155260, 194075, 221800, 277250, 310520, 388150, 554500, 693125, 776300, 970375, 1109000, 1386250, 1552600, 1940750, 2772500, 3881500, 4851875, 5545000, 7763000, 9703750, 19407500, 38815000]

約数ペア:

[(1, 38815000), (2, 19407500), (4, 9703750), (5, 7763000), (7, 5545000), (8, 4851875), (10, 3881500), (14, 2772500), (20, 1940750), (25, 1552600), (28, 1386250), (35, 1109000), (40, 970375), (50, 776300), (56, 693125), (70, 554500), (100, 388150), (125, 310520), (140, 277250), (175, 221800), (200, 194075), (250, 155260), (280, 138625), (350, 110900), (500, 77630), (625, 62104), (700, 55450), (875, 44360), (1000, 38815), (1109, 35000), (1250, 31052), (1400, 27725), (1750, 22180), (2218, 17500), (2500, 15526), (3500, 11090), (4375, 8872), (4436, 8750), (5000, 7763), (5545, 7000)]