630826490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1287401}}^1$

素因数の和:1287422

約数の個数: 24

約数和(自身を含む): 1320874452

約数和(自身を除く): 690047962

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1287401, 2574802, 6437005, 9011807, 12874010, 18023614, 45059035, 63082649, 90118070, 126165298, 315413245, 630826490]

約数ペア:

[(1, 630826490), (2, 315413245), (5, 126165298), (7, 90118070), (10, 63082649), (14, 45059035), (35, 18023614), (49, 12874010), (70, 9011807), (98, 6437005), (245, 2574802), (490, 1287401)]