289739900

素因数分解:

$2^2\times 5^2\times {\mathrm{269}}^1\times {\mathrm{10771}}^1$

素因数の和:11054

約数の個数: 36

約数和(自身を含む): 631131480

約数和(自身を除く): 341391580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 269, 538, 1076, 1345, 2690, 5380, 6725, 10771, 13450, 21542, 26900, 43084, 53855, 107710, 215420, 269275, 538550, 1077100, 2897399, 5794798, 11589596, 14486995, 28973990, 57947980, 72434975, 144869950, 289739900]

約数ペア:

[(1, 289739900), (2, 144869950), (4, 72434975), (5, 57947980), (10, 28973990), (20, 14486995), (25, 11589596), (50, 5794798), (100, 2897399), (269, 1077100), (538, 538550), (1076, 269275), (1345, 215420), (2690, 107710), (5380, 53855), (6725, 43084), (10771, 26900), (13450, 21542)]