197555440

素因数分解:

$2^4\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2803}}^1$

素因数の和:3697

約数の個数: 40

約数和(自身を含む): 460001808

約数和(自身を除く): 262446368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 881, 1762, 2803, 3524, 4405, 5606, 7048, 8810, 11212, 14015, 14096, 17620, 22424, 28030, 35240, 44848, 56060, 70480, 112120, 224240, 2469443, 4938886, 9877772, 12347215, 19755544, 24694430, 39511088, 49388860, 98777720, 197555440]

約数ペア:

[(1, 197555440), (2, 98777720), (4, 49388860), (5, 39511088), (8, 24694430), (10, 19755544), (16, 12347215), (20, 9877772), (40, 4938886), (80, 2469443), (881, 224240), (1762, 112120), (2803, 70480), (3524, 56060), (4405, 44848), (5606, 35240), (7048, 28030), (8810, 22424), (11212, 17620), (14015, 14096)]