397319930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{19777}}^1$

素因数の和:19839

約数の個数: 48

約数和(自身を含む): 852273576

約数和(自身を除く): 454953646

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 490, 574, 1435, 2009, 2870, 4018, 10045, 19777, 20090, 39554, 98885, 138439, 197770, 276878, 692195, 810857, 969073, 1384390, 1621714, 1938146, 4054285, 4845365, 5675999, 8108570, 9690730, 11351998, 28379995, 39731993, 56759990, 79463986, 198659965, 397319930]

約数ペア:

[(1, 397319930), (2, 198659965), (5, 79463986), (7, 56759990), (10, 39731993), (14, 28379995), (35, 11351998), (41, 9690730), (49, 8108570), (70, 5675999), (82, 4845365), (98, 4054285), (205, 1938146), (245, 1621714), (287, 1384390), (410, 969073), (490, 810857), (574, 692195), (1435, 276878), (2009, 197770), (2870, 138439), (4018, 98885), (10045, 39554), (19777, 20090)]