261134020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1865243}}^1$

素因数の和:1865259

約数の個数: 24

約数和(自身を含む): 626721984

約数和(自身を除く): 365587964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1865243, 3730486, 7460972, 9326215, 13056701, 18652430, 26113402, 37304860, 52226804, 65283505, 130567010, 261134020]

約数ペア:

[(1, 261134020), (2, 130567010), (4, 65283505), (5, 52226804), (7, 37304860), (10, 26113402), (14, 18652430), (20, 13056701), (28, 9326215), (35, 7460972), (70, 3730486), (140, 1865243)]