28406000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{2029}}^1$

素因数の和:2059

約数の個数: 80

約数和(自身を含む): 78536640

約数和(自身を除く): 50130640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1750, 2000, 2029, 2800, 3500, 4058, 7000, 8116, 10145, 14000, 14203, 16232, 20290, 28406, 32464, 40580, 50725, 56812, 71015, 81160, 101450, 113624, 142030, 162320, 202900, 227248, 253625, 284060, 355075, 405800, 507250, 568120, 710150, 811600, 1014500, 1136240, 1420300, 1775375, 2029000, 2840600, 3550750, 4058000, 5681200, 7101500, 14203000, 28406000]

約数ペア:

[(1, 28406000), (2, 14203000), (4, 7101500), (5, 5681200), (7, 4058000), (8, 3550750), (10, 2840600), (14, 2029000), (16, 1775375), (20, 1420300), (25, 1136240), (28, 1014500), (35, 811600), (40, 710150), (50, 568120), (56, 507250), (70, 405800), (80, 355075), (100, 284060), (112, 253625), (125, 227248), (140, 202900), (175, 162320), (200, 142030), (250, 113624), (280, 101450), (350, 81160), (400, 71015), (500, 56812), (560, 50725), (700, 40580), (875, 32464), (1000, 28406), (1400, 20290), (1750, 16232), (2000, 14203), (2029, 14000), (2800, 10145), (3500, 8116), (4058, 7000)]