315058160

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{19991}}^1$

素因数の和:20201

約数の個数: 40

約数和(自身を含む): 736265376

約数和(自身を除く): 421207216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 15760, 19991, 39982, 79964, 99955, 159928, 199910, 319856, 399820, 799640, 1599280, 3938227, 7876454, 15752908, 19691135, 31505816, 39382270, 63011632, 78764540, 157529080, 315058160]

約数ペア:

[(1, 315058160), (2, 157529080), (4, 78764540), (5, 63011632), (8, 39382270), (10, 31505816), (16, 19691135), (20, 15752908), (40, 7876454), (80, 3938227), (197, 1599280), (394, 799640), (788, 399820), (985, 319856), (1576, 199910), (1970, 159928), (3152, 99955), (3940, 79964), (7880, 39982), (15760, 19991)]