853642940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{8467}}^1$

素因数の和:8618

約数の個数: 36

約数和(自身を含む): 1818469128

約数和(自身を除く): 964826188

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5041, 8467, 10082, 16934, 20164, 25205, 33868, 42335, 50410, 84670, 100820, 169340, 601157, 1202314, 2404628, 3005785, 6011570, 12023140, 42682147, 85364294, 170728588, 213410735, 426821470, 853642940]

約数ペア:

[(1, 853642940), (2, 426821470), (4, 213410735), (5, 170728588), (10, 85364294), (20, 42682147), (71, 12023140), (142, 6011570), (284, 3005785), (355, 2404628), (710, 1202314), (1420, 601157), (5041, 169340), (8467, 100820), (10082, 84670), (16934, 50410), (20164, 42335), (25205, 33868)]