214901380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151339}}^1$

素因数の和:151419

約数の個数: 24

約数和(自身を含む): 457652160

約数和(自身を除く): 242750780

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 151339, 302678, 605356, 756695, 1513390, 3026780, 10745069, 21490138, 42980276, 53725345, 107450690, 214901380]

約数ペア:

[(1, 214901380), (2, 107450690), (4, 53725345), (5, 42980276), (10, 21490138), (20, 10745069), (71, 3026780), (142, 1513390), (284, 756695), (355, 605356), (710, 302678), (1420, 151339)]