398335910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{138793}}^1$

素因数の和:138848

約数の個数: 32

約数和(自身を含む): 839426112

約数和(自身を除く): 441090202

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 138793, 277586, 693965, 971551, 1387930, 1943102, 4857755, 5690513, 9715510, 11381026, 28452565, 39833591, 56905130, 79667182, 199167955, 398335910]

約数ペア:

[(1, 398335910), (2, 199167955), (5, 79667182), (7, 56905130), (10, 39833591), (14, 28452565), (35, 11381026), (41, 9715510), (70, 5690513), (82, 4857755), (205, 1943102), (287, 1387930), (410, 971551), (574, 693965), (1435, 277586), (2870, 138793)]