1769320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 4665600

約数和(自身を除く): 2896280

約数列:

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

約数ペア:

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