87860860

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{619}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 189987840

約数和(自身を除く): 102126980

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 151, 188, 235, 302, 470, 604, 619, 755, 940, 1238, 1510, 2476, 3020, 3095, 6190, 7097, 12380, 14194, 28388, 29093, 35485, 58186, 70970, 93469, 116372, 141940, 145465, 186938, 290930, 373876, 467345, 581860, 934690, 1869380, 4393043, 8786086, 17572172, 21965215, 43930430, 87860860]

約数ペア:

[(1, 87860860), (2, 43930430), (4, 21965215), (5, 17572172), (10, 8786086), (20, 4393043), (47, 1869380), (94, 934690), (151, 581860), (188, 467345), (235, 373876), (302, 290930), (470, 186938), (604, 145465), (619, 141940), (755, 116372), (940, 93469), (1238, 70970), (1510, 58186), (2476, 35485), (3020, 29093), (3095, 28388), (6190, 14194), (7097, 12380)]