149326420

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{27551}}^1$

素因数の和:27831

約数の個数: 24

約数和(自身を含む): 314754048

約数和(自身を除く): 165427628

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 27551, 55102, 110204, 137755, 275510, 551020, 7466321, 14932642, 29865284, 37331605, 74663210, 149326420]

約数ペア:

[(1, 149326420), (2, 74663210), (4, 37331605), (5, 29865284), (10, 14932642), (20, 7466321), (271, 551020), (542, 275510), (1084, 137755), (1355, 110204), (2710, 55102), (5420, 27551)]