74213780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^2\times {\mathrm{1321}}^1$

素因数の和:1436

約数の個数: 36

約数和(自身を含む): 158965212

約数和(自身を除く): 84751432

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1321, 2642, 2809, 5284, 5618, 6605, 11236, 13210, 14045, 26420, 28090, 56180, 70013, 140026, 280052, 350065, 700130, 1400260, 3710689, 7421378, 14842756, 18553445, 37106890, 74213780]

約数ペア:

[(1, 74213780), (2, 37106890), (4, 18553445), (5, 14842756), (10, 7421378), (20, 3710689), (53, 1400260), (106, 700130), (212, 350065), (265, 280052), (530, 140026), (1060, 70013), (1321, 56180), (2642, 28090), (2809, 26420), (5284, 14045), (5618, 13210), (6605, 11236)]