78801700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^2\times {\mathrm{937}}^1$

素因数の和:1009

約数の個数: 54

約数和(自身を含む): 177288566

約数和(自身を除く): 98486866

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 841, 937, 1450, 1682, 1874, 2900, 3364, 3748, 4205, 4685, 8410, 9370, 16820, 18740, 21025, 23425, 27173, 42050, 46850, 54346, 84100, 93700, 108692, 135865, 271730, 543460, 679325, 788017, 1358650, 1576034, 2717300, 3152068, 3940085, 7880170, 15760340, 19700425, 39400850, 78801700]

約数ペア:

[(1, 78801700), (2, 39400850), (4, 19700425), (5, 15760340), (10, 7880170), (20, 3940085), (25, 3152068), (29, 2717300), (50, 1576034), (58, 1358650), (100, 788017), (116, 679325), (145, 543460), (290, 271730), (580, 135865), (725, 108692), (841, 93700), (937, 84100), (1450, 54346), (1682, 46850), (1874, 42050), (2900, 27173), (3364, 23425), (3748, 21025), (4205, 18740), (4685, 16820), (8410, 9370)]