1990064125

素因数分解:

$5^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{23447}}^1$

素因数の和:23566

約数の個数: 32

約数和(自身を含む): 2867784192

約数和(自身を除く): 877720067

約数列:

[1, 5, 7, 25, 35, 97, 125, 175, 485, 679, 875, 2425, 3395, 12125, 16975, 23447, 84875, 117235, 164129, 586175, 820645, 2274359, 2930875, 4103225, 11371795, 15920513, 20516125, 56858975, 79602565, 284294875, 398012825, 1990064125]

約数ペア:

[(1, 1990064125), (5, 398012825), (7, 284294875), (25, 79602565), (35, 56858975), (97, 20516125), (125, 15920513), (175, 11371795), (485, 4103225), (679, 2930875), (875, 2274359), (2425, 820645), (3395, 586175), (12125, 164129), (16975, 117235), (23447, 84875)]