71336020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509543}}^1$

素因数の和:509559

約数の個数: 24

約数和(自身を含む): 171206784

約数和(自身を除く): 99870764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509543, 1019086, 2038172, 2547715, 3566801, 5095430, 7133602, 10190860, 14267204, 17834005, 35668010, 71336020]

約数ペア:

[(1, 71336020), (2, 35668010), (4, 17834005), (5, 14267204), (7, 10190860), (10, 7133602), (14, 5095430), (20, 3566801), (28, 2547715), (35, 2038172), (70, 1019086), (140, 509543)]