42177700

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{2141}}^1$

素因数の和:2352

約数の個数: 36

約数和(自身を含む): 92033172

約数和(自身を除く): 49855472

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1970, 2141, 3940, 4282, 4925, 8564, 9850, 10705, 19700, 21410, 42820, 53525, 107050, 214100, 421777, 843554, 1687108, 2108885, 4217770, 8435540, 10544425, 21088850, 42177700]

約数ペア:

[(1, 42177700), (2, 21088850), (4, 10544425), (5, 8435540), (10, 4217770), (20, 2108885), (25, 1687108), (50, 843554), (100, 421777), (197, 214100), (394, 107050), (788, 53525), (985, 42820), (1970, 21410), (2141, 19700), (3940, 10705), (4282, 9850), (4925, 8564)]