2217860

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 4691736

約数和(自身を除く): 2473876

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 641, 692, 865, 1282, 1730, 2564, 3205, 3460, 6410, 12820, 110893, 221786, 443572, 554465, 1108930, 2217860]

約数ペア:

[(1, 2217860), (2, 1108930), (4, 554465), (5, 443572), (10, 221786), (20, 110893), (173, 12820), (346, 6410), (641, 3460), (692, 3205), (865, 2564), (1282, 1730)]