439420

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 935424

約数和(自身を除く): 496004

約数列:

[1, 2, 4, 5, 10, 20, 127, 173, 254, 346, 508, 635, 692, 865, 1270, 1730, 2540, 3460, 21971, 43942, 87884, 109855, 219710, 439420]

約数ペア:

[(1, 439420), (2, 219710), (4, 109855), (5, 87884), (10, 43942), (20, 21971), (127, 3460), (173, 2540), (254, 1730), (346, 1270), (508, 865), (635, 692)]