2759420

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 5827248

約数和(自身を除く): 3067828

約数列:

[1, 2, 4, 5, 10, 20, 281, 491, 562, 982, 1124, 1405, 1964, 2455, 2810, 4910, 5620, 9820, 137971, 275942, 551884, 689855, 1379710, 2759420]

約数ペア:

[(1, 2759420), (2, 1379710), (4, 689855), (5, 551884), (10, 275942), (20, 137971), (281, 9820), (491, 5620), (562, 4910), (982, 2810), (1124, 2455), (1405, 1964)]