1620430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{3307}}^1$

素因数の和:3328

約数の個数: 24

約数和(自身を含む): 3394008

約数和(自身を除く): 1773578

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 3307, 6614, 16535, 23149, 33070, 46298, 115745, 162043, 231490, 324086, 810215, 1620430]

約数ペア:

[(1, 1620430), (2, 810215), (5, 324086), (7, 231490), (10, 162043), (14, 115745), (35, 46298), (49, 33070), (70, 23149), (98, 16535), (245, 6614), (490, 3307)]