190020805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{613}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 259943040

約数和(自身を除く): 69922235

約数列:

[1, 5, 13, 19, 65, 95, 247, 251, 613, 1235, 1255, 3065, 3263, 4769, 7969, 11647, 16315, 23845, 39845, 58235, 61997, 151411, 153863, 309985, 757055, 769315, 2000219, 2923397, 10001095, 14616985, 38004161, 190020805]

約数ペア:

[(1, 190020805), (5, 38004161), (13, 14616985), (19, 10001095), (65, 2923397), (95, 2000219), (247, 769315), (251, 757055), (613, 309985), (1235, 153863), (1255, 151411), (3065, 61997), (3263, 58235), (4769, 39845), (7969, 23845), (11647, 16315)]