204375890

素因数分解:

$2^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{47419}}^1$

素因数の和:47857

約数の個数: 16

約数和(自身を含む): 368737920

約数和(自身を除く): 164362030

約数列:

[1, 2, 5, 10, 431, 862, 2155, 4310, 47419, 94838, 237095, 474190, 20437589, 40875178, 102187945, 204375890]

約数ペア:

[(1, 204375890), (2, 102187945), (5, 40875178), (10, 20437589), (431, 474190), (862, 237095), (2155, 94838), (4310, 47419)]