644989010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199687}}^1$

素因数の和:199730

約数の個数: 32

約数和(自身を含む): 1293978240

約数和(自身を除く): 648989230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 199687, 399374, 998435, 1996870, 3394679, 3794053, 6789358, 7588106, 16973395, 18970265, 33946790, 37940530, 64498901, 128997802, 322494505, 644989010]

約数ペア:

[(1, 644989010), (2, 322494505), (5, 128997802), (10, 64498901), (17, 37940530), (19, 33946790), (34, 18970265), (38, 16973395), (85, 7588106), (95, 6789358), (170, 3794053), (190, 3394679), (323, 1996870), (646, 998435), (1615, 399374), (3230, 199687)]