1319265140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{4937}}^1$

素因数の和:5408

約数の個数: 48

約数和(自身を含む): 2867042304

約数和(自身を除く): 1547777164

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 431, 620, 862, 1724, 2155, 4310, 4937, 8620, 9874, 13361, 19748, 24685, 26722, 49370, 53444, 66805, 98740, 133610, 153047, 267220, 306094, 612188, 765235, 1530470, 2127847, 3060940, 4255694, 8511388, 10639235, 21278470, 42556940, 65963257, 131926514, 263853028, 329816285, 659632570, 1319265140]

約数ペア:

[(1, 1319265140), (2, 659632570), (4, 329816285), (5, 263853028), (10, 131926514), (20, 65963257), (31, 42556940), (62, 21278470), (124, 10639235), (155, 8511388), (310, 4255694), (431, 3060940), (620, 2127847), (862, 1530470), (1724, 765235), (2155, 612188), (4310, 306094), (4937, 267220), (8620, 153047), (9874, 133610), (13361, 98740), (19748, 66805), (24685, 53444), (26722, 49370)]