205714210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{6971}}^1$

素因数の和:7218

約数の個数: 32

約数和(自身を含む): 400583232

約数和(自身を除く): 194869022

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 227, 454, 1135, 2270, 2951, 5902, 6971, 13942, 14755, 29510, 34855, 69710, 90623, 181246, 453115, 906230, 1582417, 3164834, 7912085, 15824170, 20571421, 41142842, 102857105, 205714210]

約数ペア:

[(1, 205714210), (2, 102857105), (5, 41142842), (10, 20571421), (13, 15824170), (26, 7912085), (65, 3164834), (130, 1582417), (227, 906230), (454, 453115), (1135, 181246), (2270, 90623), (2951, 69710), (5902, 34855), (6971, 29510), (13942, 14755)]