2237920

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 5388768

約数和(自身を除く): 3150848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 197, 284, 355, 394, 568, 710, 788, 985, 1136, 1420, 1576, 1970, 2272, 2840, 3152, 3940, 5680, 6304, 7880, 11360, 13987, 15760, 27974, 31520, 55948, 69935, 111896, 139870, 223792, 279740, 447584, 559480, 1118960, 2237920]

約数ペア:

[(1, 2237920), (2, 1118960), (4, 559480), (5, 447584), (8, 279740), (10, 223792), (16, 139870), (20, 111896), (32, 69935), (40, 55948), (71, 31520), (80, 27974), (142, 15760), (160, 13987), (197, 11360), (284, 7880), (355, 6304), (394, 5680), (568, 3940), (710, 3152), (788, 2840), (985, 2272), (1136, 1970), (1420, 1576)]