123045980

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{22871}}^1$

素因数の和:23149

約数の個数: 24

約数和(自身を含む): 259368480

約数和(自身を除く): 136322500

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 22871, 45742, 91484, 114355, 228710, 457420, 6152299, 12304598, 24609196, 30761495, 61522990, 123045980]

約数ペア:

[(1, 123045980), (2, 61522990), (4, 30761495), (5, 24609196), (10, 12304598), (20, 6152299), (269, 457420), (538, 228710), (1076, 114355), (1345, 91484), (2690, 45742), (5380, 22871)]