71862280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{256651}}^1$

素因数の和:256669

約数の個数: 32

約数和(自身を含む): 184789440

約数和(自身を除く): 112927160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 256651, 513302, 1026604, 1283255, 1796557, 2053208, 2566510, 3593114, 5133020, 7186228, 8982785, 10266040, 14372456, 17965570, 35931140, 71862280]

約数ペア:

[(1, 71862280), (2, 35931140), (4, 17965570), (5, 14372456), (7, 10266040), (8, 8982785), (10, 7186228), (14, 5133020), (20, 3593114), (28, 2566510), (35, 2053208), (40, 1796557), (56, 1283255), (70, 1026604), (140, 513302), (280, 256651)]