72241990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{727}}^1$

素因数の和:1276

約数の個数: 32

約数和(自身を含む): 137329920

約数和(自身を除く): 65087930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 523, 727, 1046, 1454, 2615, 3635, 5230, 7270, 9937, 13813, 19874, 27626, 49685, 69065, 99370, 138130, 380221, 760442, 1901105, 3802210, 7224199, 14448398, 36120995, 72241990]

約数ペア:

[(1, 72241990), (2, 36120995), (5, 14448398), (10, 7224199), (19, 3802210), (38, 1901105), (95, 760442), (190, 380221), (523, 138130), (727, 99370), (1046, 69065), (1454, 49685), (2615, 27626), (3635, 19874), (5230, 13813), (7270, 9937)]