74255990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{390821}}^1$

素因数の和:390847

約数の個数: 16

約数和(自身を含む): 140695920

約数和(自身を除く): 66439930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 390821, 781642, 1954105, 3908210, 7425599, 14851198, 37127995, 74255990]

約数ペア:

[(1, 74255990), (2, 37127995), (5, 14851198), (10, 7425599), (19, 3908210), (38, 1954105), (95, 781642), (190, 390821)]