821239850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{3617}}^1$

素因数の和:3887

約数の個数: 48

約数和(自身を含む): 1615075200

約数和(自身を除く): 793835350

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 239, 475, 478, 950, 1195, 2390, 3617, 4541, 5975, 7234, 9082, 11950, 18085, 22705, 36170, 45410, 68723, 90425, 113525, 137446, 180850, 227050, 343615, 687230, 864463, 1718075, 1728926, 3436150, 4322315, 8644630, 16424797, 21611575, 32849594, 43223150, 82123985, 164247970, 410619925, 821239850]

約数ペア:

[(1, 821239850), (2, 410619925), (5, 164247970), (10, 82123985), (19, 43223150), (25, 32849594), (38, 21611575), (50, 16424797), (95, 8644630), (190, 4322315), (239, 3436150), (475, 1728926), (478, 1718075), (950, 864463), (1195, 687230), (2390, 343615), (3617, 227050), (4541, 180850), (5975, 137446), (7234, 113525), (9082, 90425), (11950, 68723), (18085, 45410), (22705, 36170)]