713667860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{5647}}^1$

素因数の和:5816

約数の個数: 48

約数和(自身を含む): 1537159680

約数和(自身を除く): 823491820

約数列:

[1, 2, 4, 5, 10, 20, 71, 89, 142, 178, 284, 355, 356, 445, 710, 890, 1420, 1780, 5647, 6319, 11294, 12638, 22588, 25276, 28235, 31595, 56470, 63190, 112940, 126380, 400937, 502583, 801874, 1005166, 1603748, 2004685, 2010332, 2512915, 4009370, 5025830, 8018740, 10051660, 35683393, 71366786, 142733572, 178416965, 356833930, 713667860]

約数ペア:

[(1, 713667860), (2, 356833930), (4, 178416965), (5, 142733572), (10, 71366786), (20, 35683393), (71, 10051660), (89, 8018740), (142, 5025830), (178, 4009370), (284, 2512915), (355, 2010332), (356, 2004685), (445, 1603748), (710, 1005166), (890, 801874), (1420, 502583), (1780, 400937), (5647, 126380), (6319, 112940), (11294, 63190), (12638, 56470), (22588, 31595), (25276, 28235)]