42729940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17657}}^1$

素因数の和:17688

約数の個数: 36

約数和(自身を含む): 98637588

約数和(自身を除く): 55907648

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 17657, 35314, 70628, 88285, 176570, 194227, 353140, 388454, 776908, 971135, 1942270, 2136497, 3884540, 4272994, 8545988, 10682485, 21364970, 42729940]

約数ペア:

[(1, 42729940), (2, 21364970), (4, 10682485), (5, 8545988), (10, 4272994), (11, 3884540), (20, 2136497), (22, 1942270), (44, 971135), (55, 776908), (110, 388454), (121, 353140), (220, 194227), (242, 176570), (484, 88285), (605, 70628), (1210, 35314), (2420, 17657)]