143669140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{80713}}^1$

素因数の和:80811

約数の個数: 24

約数和(自身を含む): 305098920

約数和(自身を除く): 161429780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 80713, 161426, 322852, 403565, 807130, 1614260, 7183457, 14366914, 28733828, 35917285, 71834570, 143669140]

約数ペア:

[(1, 143669140), (2, 71834570), (4, 35917285), (5, 28733828), (10, 14366914), (20, 7183457), (89, 1614260), (178, 807130), (356, 403565), (445, 322852), (890, 161426), (1780, 80713)]