1489720820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{200771}}^1$

素因数の和:200840

約数の個数: 48

約数和(自身を含む): 3642807168

約数和(自身を除く): 2153086348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 200771, 401542, 803084, 1003855, 1405397, 2007710, 2810794, 4015420, 5621588, 7026985, 10640863, 14053970, 21281726, 28107940, 42563452, 53204315, 74486041, 106408630, 148972082, 212817260, 297944164, 372430205, 744860410, 1489720820]

約数ペア:

[(1, 1489720820), (2, 744860410), (4, 372430205), (5, 297944164), (7, 212817260), (10, 148972082), (14, 106408630), (20, 74486041), (28, 53204315), (35, 42563452), (53, 28107940), (70, 21281726), (106, 14053970), (140, 10640863), (212, 7026985), (265, 5621588), (371, 4015420), (530, 2810794), (742, 2007710), (1060, 1405397), (1484, 1003855), (1855, 803084), (3710, 401542), (7420, 200771)]