129124940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{922321}}^1$

素因数の和:922337

約数の個数: 24

約数和(自身を含む): 309900192

約数和(自身を除く): 180775252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 922321, 1844642, 3689284, 4611605, 6456247, 9223210, 12912494, 18446420, 25824988, 32281235, 64562470, 129124940]

約数ペア:

[(1, 129124940), (2, 64562470), (4, 32281235), (5, 25824988), (7, 18446420), (10, 12912494), (14, 9223210), (20, 6456247), (28, 4611605), (35, 3689284), (70, 1844642), (140, 922321)]