29783121980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{16732091}}^1$

素因数の和:16732189

約数の個数: 24

約数和(自身を含む): 63247307760

約数和(自身を除く): 33464185780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 16732091, 33464182, 66928364, 83660455, 167320910, 334641820, 1489156099, 2978312198, 5956624396, 7445780495, 14891560990, 29783121980]

約数ペア:

[(1, 29783121980), (2, 14891560990), (4, 7445780495), (5, 5956624396), (10, 2978312198), (20, 1489156099), (89, 334641820), (178, 167320910), (356, 83660455), (445, 66928364), (890, 33464182), (1780, 16732091)]