81800210

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{647}}^1$

素因数の和:970

約数の個数: 32

約数和(自身を含む): 151165440

約数和(自身を除く): 69365230

約数列:

[1, 2, 5, 10, 47, 94, 235, 269, 470, 538, 647, 1294, 1345, 2690, 3235, 6470, 12643, 25286, 30409, 60818, 63215, 126430, 152045, 174043, 304090, 348086, 870215, 1740430, 8180021, 16360042, 40900105, 81800210]

約数ペア:

[(1, 81800210), (2, 40900105), (5, 16360042), (10, 8180021), (47, 1740430), (94, 870215), (235, 348086), (269, 304090), (470, 174043), (538, 152045), (647, 126430), (1294, 63215), (1345, 60818), (2690, 30409), (3235, 25286), (6470, 12643)]