261519110

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1\times {\mathrm{509}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 475891200

約数和(自身を除く): 214372090

約数列:

[1, 2, 5, 10, 191, 269, 382, 509, 538, 955, 1018, 1345, 1910, 2545, 2690, 5090, 51379, 97219, 102758, 136921, 194438, 256895, 273842, 486095, 513790, 684605, 972190, 1369210, 26151911, 52303822, 130759555, 261519110]

約数ペア:

[(1, 261519110), (2, 130759555), (5, 52303822), (10, 26151911), (191, 1369210), (269, 972190), (382, 684605), (509, 513790), (538, 486095), (955, 273842), (1018, 256895), (1345, 194438), (1910, 136921), (2545, 102758), (2690, 97219), (5090, 51379)]