142744940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{549019}}^1$

素因数の和:549041

約数の個数: 24

約数和(自身を含む): 322823760

約数和(自身を除く): 180078820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 549019, 1098038, 2196076, 2745095, 5490190, 7137247, 10980380, 14274494, 28548988, 35686235, 71372470, 142744940]

約数ペア:

[(1, 142744940), (2, 71372470), (4, 35686235), (5, 28548988), (10, 14274494), (13, 10980380), (20, 7137247), (26, 5490190), (52, 2745095), (65, 2196076), (130, 1098038), (260, 549019)]