127972340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{206407}}^1$

素因数の和:206447

約数の個数: 24

約数和(自身を含む): 277412352

約数和(自身を除く): 149440012

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 206407, 412814, 825628, 1032035, 2064070, 4128140, 6398617, 12797234, 25594468, 31993085, 63986170, 127972340]

約数ペア:

[(1, 127972340), (2, 63986170), (4, 31993085), (5, 25594468), (10, 12797234), (20, 6398617), (31, 4128140), (62, 2064070), (124, 1032035), (155, 825628), (310, 412814), (620, 206407)]