206816980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{1217}}^1$

素因数の和:1548

約数の個数: 48

約数和(自身を含む): 451195920

約数和(自身を除く): 244378940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 293, 580, 586, 1172, 1217, 1465, 2434, 2930, 4868, 5860, 6085, 8497, 12170, 16994, 24340, 33988, 35293, 42485, 70586, 84970, 141172, 169940, 176465, 352930, 356581, 705860, 713162, 1426324, 1782905, 3565810, 7131620, 10340849, 20681698, 41363396, 51704245, 103408490, 206816980]

約数ペア:

[(1, 206816980), (2, 103408490), (4, 51704245), (5, 41363396), (10, 20681698), (20, 10340849), (29, 7131620), (58, 3565810), (116, 1782905), (145, 1426324), (290, 713162), (293, 705860), (580, 356581), (586, 352930), (1172, 176465), (1217, 169940), (1465, 141172), (2434, 84970), (2930, 70586), (4868, 42485), (5860, 35293), (6085, 33988), (8497, 24340), (12170, 16994)]