199826360

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{56131}}^1$

素因数の和:56231

約数の個数: 32

約数和(自身を含む): 454669200

約数和(自身を除く): 254842840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 56131, 112262, 224524, 280655, 449048, 561310, 1122620, 2245240, 4995659, 9991318, 19982636, 24978295, 39965272, 49956590, 99913180, 199826360]

約数ペア:

[(1, 199826360), (2, 99913180), (4, 49956590), (5, 39965272), (8, 24978295), (10, 19982636), (20, 9991318), (40, 4995659), (89, 2245240), (178, 1122620), (356, 561310), (445, 449048), (712, 280655), (890, 224524), (1780, 112262), (3560, 56131)]