200237980

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{14489}}^1$

素因数の和:15189

約数の個数: 24

約数和(自身を含む): 421137360

約数和(自身を除く): 220899380

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6910, 13820, 14489, 28978, 57956, 72445, 144890, 289780, 10011899, 20023798, 40047596, 50059495, 100118990, 200237980]

約数ペア:

[(1, 200237980), (2, 100118990), (4, 50059495), (5, 40047596), (10, 20023798), (20, 10011899), (691, 289780), (1382, 144890), (2764, 72445), (3455, 57956), (6910, 28978), (13820, 14489)]