664708030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1356547}}^1$

素因数の和:1356568

約数の個数: 24

約数和(自身を含む): 1391818248

約数和(自身を除く): 727110218

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1356547, 2713094, 6782735, 9495829, 13565470, 18991658, 47479145, 66470803, 94958290, 132941606, 332354015, 664708030]

約数ペア:

[(1, 664708030), (2, 332354015), (5, 132941606), (7, 94958290), (10, 66470803), (14, 47479145), (35, 18991658), (49, 13565470), (70, 9495829), (98, 6782735), (245, 2713094), (490, 1356547)]