81914000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{5851}}^1$

素因数の和:5881

約数の個数: 80

約数和(自身を含む): 226402176

約数和(自身を除く): 144488176

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, 2800, 3500, 5851, 7000, 11702, 14000, 23404, 29255, 40957, 46808, 58510, 81914, 93616, 117020, 146275, 163828, 204785, 234040, 292550, 327656, 409570, 468080, 585100, 655312, 731375, 819140, 1023925, 1170200, 1462750, 1638280, 2047850, 2340400, 2925500, 3276560, 4095700, 5119625, 5851000, 8191400, 10239250, 11702000, 16382800, 20478500, 40957000, 81914000]

約数ペア:

[(1, 81914000), (2, 40957000), (4, 20478500), (5, 16382800), (7, 11702000), (8, 10239250), (10, 8191400), (14, 5851000), (16, 5119625), (20, 4095700), (25, 3276560), (28, 2925500), (35, 2340400), (40, 2047850), (50, 1638280), (56, 1462750), (70, 1170200), (80, 1023925), (100, 819140), (112, 731375), (125, 655312), (140, 585100), (175, 468080), (200, 409570), (250, 327656), (280, 292550), (350, 234040), (400, 204785), (500, 163828), (560, 146275), (700, 117020), (875, 93616), (1000, 81914), (1400, 58510), (1750, 46808), (2000, 40957), (2800, 29255), (3500, 23404), (5851, 14000), (7000, 11702)]