42940270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{138517}}^1$

素因数の和:138555

約数の個数: 16

約数和(自身を含む): 79786368

約数和(自身を除く): 36846098

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 138517, 277034, 692585, 1385170, 4294027, 8588054, 21470135, 42940270]

約数ペア:

[(1, 42940270), (2, 21470135), (5, 8588054), (10, 4294027), (31, 1385170), (62, 692585), (155, 277034), (310, 138517)]