4393100

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:434

約数の個数: 36

約数和(自身を含む): 9624384

約数和(自身を除く): 5231284

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 223, 394, 446, 788, 892, 985, 1115, 1970, 2230, 3940, 4460, 4925, 5575, 9850, 11150, 19700, 22300, 43931, 87862, 175724, 219655, 439310, 878620, 1098275, 2196550, 4393100]

約数ペア:

[(1, 4393100), (2, 2196550), (4, 1098275), (5, 878620), (10, 439310), (20, 219655), (25, 175724), (50, 87862), (100, 43931), (197, 22300), (223, 19700), (394, 11150), (446, 9850), (788, 5575), (892, 4925), (985, 4460), (1115, 3940), (1970, 2230)]