1285754890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{2243}}^1$

素因数の和:2707

約数の個数: 64

約数和(自身を含む): 2791895040

約数和(自身を除く): 1506140150

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 431, 665, 862, 1330, 2155, 2243, 3017, 4310, 4486, 6034, 8189, 11215, 15085, 15701, 16378, 22430, 30170, 31402, 40945, 42617, 57323, 78505, 81890, 85234, 114646, 157010, 213085, 286615, 298319, 426170, 573230, 596638, 966733, 1491595, 1933466, 2983190, 4833665, 6767131, 9667330, 13534262, 18367927, 33835655, 36735854, 67671310, 91839635, 128575489, 183679270, 257150978, 642877445, 1285754890]

約数ペア:

[(1, 1285754890), (2, 642877445), (5, 257150978), (7, 183679270), (10, 128575489), (14, 91839635), (19, 67671310), (35, 36735854), (38, 33835655), (70, 18367927), (95, 13534262), (133, 9667330), (190, 6767131), (266, 4833665), (431, 2983190), (665, 1933466), (862, 1491595), (1330, 966733), (2155, 596638), (2243, 573230), (3017, 426170), (4310, 298319), (4486, 286615), (6034, 213085), (8189, 157010), (11215, 114646), (15085, 85234), (15701, 81890), (16378, 78505), (22430, 57323), (30170, 42617), (31402, 40945)]