138538060

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{22273}}^1$

素因数の和:22593

約数の個数: 24

約数和(自身を含む): 291878496

約数和(自身を除く): 153340436

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 22273, 44546, 89092, 111365, 222730, 445460, 6926903, 13853806, 27707612, 34634515, 69269030, 138538060]

約数ペア:

[(1, 138538060), (2, 69269030), (4, 34634515), (5, 27707612), (10, 13853806), (20, 6926903), (311, 445460), (622, 222730), (1244, 111365), (1555, 89092), (3110, 44546), (6220, 22273)]