129123740

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{557}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 277294752

約数和(自身を除く): 148171012

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 173, 268, 335, 346, 557, 670, 692, 865, 1114, 1340, 1730, 2228, 2785, 3460, 5570, 11140, 11591, 23182, 37319, 46364, 57955, 74638, 96361, 115910, 149276, 186595, 192722, 231820, 373190, 385444, 481805, 746380, 963610, 1927220, 6456187, 12912374, 25824748, 32280935, 64561870, 129123740]

約数ペア:

[(1, 129123740), (2, 64561870), (4, 32280935), (5, 25824748), (10, 12912374), (20, 6456187), (67, 1927220), (134, 963610), (173, 746380), (268, 481805), (335, 385444), (346, 373190), (557, 231820), (670, 192722), (692, 186595), (865, 149276), (1114, 115910), (1340, 96361), (1730, 74638), (2228, 57955), (2785, 46364), (3460, 37319), (5570, 23182), (11140, 11591)]