2211650

素因数分解:

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

素因数の和:179

約数の個数: 48

約数和(自身を含む): 4821120

約数和(自身を除く): 2609470

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 89, 142, 175, 178, 350, 355, 445, 497, 623, 710, 890, 994, 1246, 1775, 2225, 2485, 3115, 3550, 4450, 4970, 6230, 6319, 12425, 12638, 15575, 24850, 31150, 31595, 44233, 63190, 88466, 157975, 221165, 315950, 442330, 1105825, 2211650]

約数ペア:

[(1, 2211650), (2, 1105825), (5, 442330), (7, 315950), (10, 221165), (14, 157975), (25, 88466), (35, 63190), (50, 44233), (70, 31595), (71, 31150), (89, 24850), (142, 15575), (175, 12638), (178, 12425), (350, 6319), (355, 6230), (445, 4970), (497, 4450), (623, 3550), (710, 3115), (890, 2485), (994, 2225), (1246, 1775)]