217061480

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{20173}}^1$

素因数の和:20453

約数の個数: 32

約数和(自身を含む): 490228200

約数和(自身を除く): 273166720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 10760, 20173, 40346, 80692, 100865, 161384, 201730, 403460, 806920, 5426537, 10853074, 21706148, 27132685, 43412296, 54265370, 108530740, 217061480]

約数ペア:

[(1, 217061480), (2, 108530740), (4, 54265370), (5, 43412296), (8, 27132685), (10, 21706148), (20, 10853074), (40, 5426537), (269, 806920), (538, 403460), (1076, 201730), (1345, 161384), (2152, 100865), (2690, 80692), (5380, 40346), (10760, 20173)]