201806680

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{293}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 464214240

約数和(自身を除く): 262407560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 257, 268, 293, 335, 514, 536, 586, 670, 1028, 1172, 1285, 1340, 1465, 2056, 2344, 2570, 2680, 2930, 5140, 5860, 10280, 11720, 17219, 19631, 34438, 39262, 68876, 75301, 78524, 86095, 98155, 137752, 150602, 157048, 172190, 196310, 301204, 344380, 376505, 392620, 602408, 688760, 753010, 785240, 1506020, 3012040, 5045167, 10090334, 20180668, 25225835, 40361336, 50451670, 100903340, 201806680]

約数ペア:

[(1, 201806680), (2, 100903340), (4, 50451670), (5, 40361336), (8, 25225835), (10, 20180668), (20, 10090334), (40, 5045167), (67, 3012040), (134, 1506020), (257, 785240), (268, 753010), (293, 688760), (335, 602408), (514, 392620), (536, 376505), (586, 344380), (670, 301204), (1028, 196310), (1172, 172190), (1285, 157048), (1340, 150602), (1465, 137752), (2056, 98155), (2344, 86095), (2570, 78524), (2680, 75301), (2930, 68876), (5140, 39262), (5860, 34438), (10280, 19631), (11720, 17219)]