2912127820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2971559}}^1$

素因数の和:2971582

約数の個数: 36

約数和(自身を含む): 7113914640

約数和(自身を除く): 4201786820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2971559, 5943118, 11886236, 14857795, 20800913, 29715590, 41601826, 59431180, 83203652, 104004565, 145606391, 208009130, 291212782, 416018260, 582425564, 728031955, 1456063910, 2912127820]

約数ペア:

[(1, 2912127820), (2, 1456063910), (4, 728031955), (5, 582425564), (7, 416018260), (10, 291212782), (14, 208009130), (20, 145606391), (28, 104004565), (35, 83203652), (49, 59431180), (70, 41601826), (98, 29715590), (140, 20800913), (196, 14857795), (245, 11886236), (490, 5943118), (980, 2971559)]