9872030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{20147}}^1$

素因数の和:20168

約数の個数: 24

約数和(自身を含む): 20671848

約数和(自身を除く): 10799818

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 20147, 40294, 100735, 141029, 201470, 282058, 705145, 987203, 1410290, 1974406, 4936015, 9872030]

約数ペア:

[(1, 9872030), (2, 4936015), (5, 1974406), (7, 1410290), (10, 987203), (14, 705145), (35, 282058), (49, 201470), (70, 141029), (98, 100735), (245, 40294), (490, 20147)]