23218760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 32422840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 137, 152, 190, 223, 274, 380, 446, 548, 685, 760, 892, 1096, 1115, 1370, 1784, 2230, 2603, 2740, 4237, 4460, 5206, 5480, 8474, 8920, 10412, 13015, 16948, 20824, 21185, 26030, 30551, 33896, 42370, 52060, 61102, 84740, 104120, 122204, 152755, 169480, 244408, 305510, 580469, 611020, 1160938, 1222040, 2321876, 2902345, 4643752, 5804690, 11609380, 23218760]

約数ペア:

[(1, 23218760), (2, 11609380), (4, 5804690), (5, 4643752), (8, 2902345), (10, 2321876), (19, 1222040), (20, 1160938), (38, 611020), (40, 580469), (76, 305510), (95, 244408), (137, 169480), (152, 152755), (190, 122204), (223, 104120), (274, 84740), (380, 61102), (446, 52060), (548, 42370), (685, 33896), (760, 30551), (892, 26030), (1096, 21185), (1115, 20824), (1370, 16948), (1784, 13015), (2230, 10412), (2603, 8920), (2740, 8474), (4237, 5480), (4460, 5206)]