858400

素因数分解:

$2^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 72

約数和(自身を含む): 2226420

約数和(自身を除く): 1368020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 37, 40, 50, 58, 74, 80, 100, 116, 145, 148, 160, 185, 200, 232, 290, 296, 370, 400, 464, 580, 592, 725, 740, 800, 925, 928, 1073, 1160, 1184, 1450, 1480, 1850, 2146, 2320, 2900, 2960, 3700, 4292, 4640, 5365, 5800, 5920, 7400, 8584, 10730, 11600, 14800, 17168, 21460, 23200, 26825, 29600, 34336, 42920, 53650, 85840, 107300, 171680, 214600, 429200, 858400]

約数ペア:

[(1, 858400), (2, 429200), (4, 214600), (5, 171680), (8, 107300), (10, 85840), (16, 53650), (20, 42920), (25, 34336), (29, 29600), (32, 26825), (37, 23200), (40, 21460), (50, 17168), (58, 14800), (74, 11600), (80, 10730), (100, 8584), (116, 7400), (145, 5920), (148, 5800), (160, 5365), (185, 4640), (200, 4292), (232, 3700), (290, 2960), (296, 2900), (370, 2320), (400, 2146), (464, 1850), (580, 1480), (592, 1450), (725, 1184), (740, 1160), (800, 1073), (925, 928)]