2019905825

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{398011}}^1$

素因数の和:398057

約数の個数: 24

約数和(自身を含む): 2961209280

約数和(自身を除く): 941303455

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 1015, 5075, 398011, 1990055, 2786077, 9950275, 11542319, 13930385, 57711595, 69651925, 80796233, 288557975, 403981165, 2019905825]

約数ペア:

[(1, 2019905825), (5, 403981165), (7, 288557975), (25, 80796233), (29, 69651925), (35, 57711595), (145, 13930385), (175, 11542319), (203, 9950275), (725, 2786077), (1015, 1990055), (5075, 398011)]