208734800

素因数分解:

$2^4\times 5^2\times {\mathrm{631}}^1\times {\mathrm{827}}^1$

素因数の和:1476

約数の個数: 60

約数和(自身を含む): 502887456

約数和(自身を除く): 294152656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 631, 827, 1262, 1654, 2524, 3155, 3308, 4135, 5048, 6310, 6616, 8270, 10096, 12620, 13232, 15775, 16540, 20675, 25240, 31550, 33080, 41350, 50480, 63100, 66160, 82700, 126200, 165400, 252400, 330800, 521837, 1043674, 2087348, 2609185, 4174696, 5218370, 8349392, 10436740, 13045925, 20873480, 26091850, 41746960, 52183700, 104367400, 208734800]

約数ペア:

[(1, 208734800), (2, 104367400), (4, 52183700), (5, 41746960), (8, 26091850), (10, 20873480), (16, 13045925), (20, 10436740), (25, 8349392), (40, 5218370), (50, 4174696), (80, 2609185), (100, 2087348), (200, 1043674), (400, 521837), (631, 330800), (827, 252400), (1262, 165400), (1654, 126200), (2524, 82700), (3155, 66160), (3308, 63100), (4135, 50480), (5048, 41350), (6310, 33080), (6616, 31550), (8270, 25240), (10096, 20675), (12620, 16540), (13232, 15775)]