206668225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{18917}}^1$

素因数の和:18969

約数の個数: 24

約数和(自身を含む): 281499840

約数和(自身を除く): 74831615

約数列:

[1, 5, 19, 23, 25, 95, 115, 437, 475, 575, 2185, 10925, 18917, 94585, 359423, 435091, 472925, 1797115, 2175455, 8266729, 8985575, 10877275, 41333645, 206668225]

約数ペア:

[(1, 206668225), (5, 41333645), (19, 10877275), (23, 8985575), (25, 8266729), (95, 2175455), (115, 1797115), (437, 472925), (475, 435091), (575, 359423), (2185, 94585), (10925, 18917)]