216758030

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1\times {\mathrm{769}}^1$

素因数の和:1244

約数の個数: 32

約数和(自身を含む): 397172160

約数和(自身を除く): 180414130

約数列:

[1, 2, 5, 10, 71, 142, 355, 397, 710, 769, 794, 1538, 1985, 3845, 3970, 7690, 28187, 54599, 56374, 109198, 140935, 272995, 281870, 305293, 545990, 610586, 1526465, 3052930, 21675803, 43351606, 108379015, 216758030]

約数ペア:

[(1, 216758030), (2, 108379015), (5, 43351606), (10, 21675803), (71, 3052930), (142, 1526465), (355, 610586), (397, 545990), (710, 305293), (769, 281870), (794, 272995), (1538, 140935), (1985, 109198), (3845, 56374), (3970, 54599), (7690, 28187)]