280030448

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{2131}}^1$

素因数の和:2373

約数の個数: 40

約数和(自身を含む): 558345216

約数和(自身を除く): 278314768

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 191, 344, 382, 688, 764, 1528, 2131, 3056, 4262, 8213, 8524, 16426, 17048, 32852, 34096, 65704, 91633, 131408, 183266, 366532, 407021, 733064, 814042, 1466128, 1628084, 3256168, 6512336, 17501903, 35003806, 70007612, 140015224, 280030448]

約数ペア:

[(1, 280030448), (2, 140015224), (4, 70007612), (8, 35003806), (16, 17501903), (43, 6512336), (86, 3256168), (172, 1628084), (191, 1466128), (344, 814042), (382, 733064), (688, 407021), (764, 366532), (1528, 183266), (2131, 131408), (3056, 91633), (4262, 65704), (8213, 34096), (8524, 32852), (16426, 17048)]