99710860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1021}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 221487840

約数和(自身を除く): 121776980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 257, 380, 514, 1021, 1028, 1285, 2042, 2570, 4084, 4883, 5105, 5140, 9766, 10210, 19399, 19532, 20420, 24415, 38798, 48830, 77596, 96995, 97660, 193990, 262397, 387980, 524794, 1049588, 1311985, 2623970, 4985543, 5247940, 9971086, 19942172, 24927715, 49855430, 99710860]

約数ペア:

[(1, 99710860), (2, 49855430), (4, 24927715), (5, 19942172), (10, 9971086), (19, 5247940), (20, 4985543), (38, 2623970), (76, 1311985), (95, 1049588), (190, 524794), (257, 387980), (380, 262397), (514, 193990), (1021, 97660), (1028, 96995), (1285, 77596), (2042, 48830), (2570, 38798), (4084, 24415), (4883, 20420), (5105, 19532), (5140, 19399), (9766, 10210)]