2419420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{883}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 5123664

約数和(自身を除く): 2704244

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 883, 1370, 1766, 2740, 3532, 4415, 8830, 17660, 120971, 241942, 483884, 604855, 1209710, 2419420]

約数ペア:

[(1, 2419420), (2, 1209710), (4, 604855), (5, 483884), (10, 241942), (20, 120971), (137, 17660), (274, 8830), (548, 4415), (685, 3532), (883, 2740), (1370, 1766)]