74243780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{285553}}^1$

素因数の和:285575

約数の個数: 24

約数和(自身を含む): 167905752

約数和(自身を除く): 93661972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 285553, 571106, 1142212, 1427765, 2855530, 3712189, 5711060, 7424378, 14848756, 18560945, 37121890, 74243780]

約数ペア:

[(1, 74243780), (2, 37121890), (4, 18560945), (5, 14848756), (10, 7424378), (13, 5711060), (20, 3712189), (26, 2855530), (52, 1427765), (65, 1142212), (130, 571106), (260, 285553)]