3538640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 9642240

約数和(自身を除く): 6103600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 89, 112, 140, 142, 178, 280, 284, 355, 356, 445, 497, 560, 568, 623, 710, 712, 890, 994, 1136, 1246, 1420, 1424, 1780, 1988, 2485, 2492, 2840, 3115, 3560, 3976, 4970, 4984, 5680, 6230, 6319, 7120, 7952, 9940, 9968, 12460, 12638, 19880, 24920, 25276, 31595, 39760, 44233, 49840, 50552, 63190, 88466, 101104, 126380, 176932, 221165, 252760, 353864, 442330, 505520, 707728, 884660, 1769320, 3538640]

約数ペア:

[(1, 3538640), (2, 1769320), (4, 884660), (5, 707728), (7, 505520), (8, 442330), (10, 353864), (14, 252760), (16, 221165), (20, 176932), (28, 126380), (35, 101104), (40, 88466), (56, 63190), (70, 50552), (71, 49840), (80, 44233), (89, 39760), (112, 31595), (140, 25276), (142, 24920), (178, 19880), (280, 12638), (284, 12460), (355, 9968), (356, 9940), (445, 7952), (497, 7120), (560, 6319), (568, 6230), (623, 5680), (710, 4984), (712, 4970), (890, 3976), (994, 3560), (1136, 3115), (1246, 2840), (1420, 2492), (1424, 2485), (1780, 1988)]