180853940

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{6073}}^1$

素因数の和:7571

約数の個数: 24

約数和(自身を含む): 380110920

約数和(自身を除く): 199256980

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2978, 5956, 6073, 7445, 12146, 14890, 24292, 29780, 30365, 60730, 121460, 9042697, 18085394, 36170788, 45213485, 90426970, 180853940]

約数ペア:

[(1, 180853940), (2, 90426970), (4, 45213485), (5, 36170788), (10, 18085394), (20, 9042697), (1489, 121460), (2978, 60730), (5956, 30365), (6073, 29780), (7445, 24292), (12146, 14890)]