2189741900

素因数分解:

$2^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{91621}}^1$

素因数の和:91874

約数の個数: 36

約数和(自身を含む): 4771673760

約数和(自身を除く): 2581931860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 239, 478, 956, 1195, 2390, 4780, 5975, 11950, 23900, 91621, 183242, 366484, 458105, 916210, 1832420, 2290525, 4581050, 9162100, 21897419, 43794838, 87589676, 109487095, 218974190, 437948380, 547435475, 1094870950, 2189741900]

約数ペア:

[(1, 2189741900), (2, 1094870950), (4, 547435475), (5, 437948380), (10, 218974190), (20, 109487095), (25, 87589676), (50, 43794838), (100, 21897419), (239, 9162100), (478, 4581050), (956, 2290525), (1195, 1832420), (2390, 916210), (4780, 458105), (5975, 366484), (11950, 183242), (23900, 91621)]