74790260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{42017}}^1$

素因数の和:42115

約数の個数: 24

約数和(自身を含む): 158828040

約数和(自身を除く): 84037780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 42017, 84034, 168068, 210085, 420170, 840340, 3739513, 7479026, 14958052, 18697565, 37395130, 74790260]

約数ペア:

[(1, 74790260), (2, 37395130), (4, 18697565), (5, 14958052), (10, 7479026), (20, 3739513), (89, 840340), (178, 420170), (356, 210085), (445, 168068), (890, 84034), (1780, 42017)]