201224900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{18461}}^1$

素因数の和:18584

約数の個数: 36

約数和(自身を含む): 440687940

約数和(自身を除く): 239463040

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 10900, 18461, 36922, 73844, 92305, 184610, 369220, 461525, 923050, 1846100, 2012249, 4024498, 8048996, 10061245, 20122490, 40244980, 50306225, 100612450, 201224900]

約数ペア:

[(1, 201224900), (2, 100612450), (4, 50306225), (5, 40244980), (10, 20122490), (20, 10061245), (25, 8048996), (50, 4024498), (100, 2012249), (109, 1846100), (218, 923050), (436, 461525), (545, 369220), (1090, 184610), (2180, 92305), (2725, 73844), (5450, 36922), (10900, 18461)]