13870430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{28307}}^1$

素因数の和:28328

約数の個数: 24

約数和(自身を含む): 29044008

約数和(自身を除く): 15173578

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 28307, 56614, 141535, 198149, 283070, 396298, 990745, 1387043, 1981490, 2774086, 6935215, 13870430]

約数ペア:

[(1, 13870430), (2, 6935215), (5, 2774086), (7, 1981490), (10, 1387043), (14, 990745), (35, 396298), (49, 283070), (70, 198149), (98, 141535), (245, 56614), (490, 28307)]