258742960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{462041}}^1$

素因数の和:462061

約数の個数: 40

約数和(自身を含む): 687518496

約数和(自身を除く): 428775536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 462041, 924082, 1848164, 2310205, 3234287, 3696328, 4620410, 6468574, 7392656, 9240820, 12937148, 16171435, 18481640, 25874296, 32342870, 36963280, 51748592, 64685740, 129371480, 258742960]

約数ペア:

[(1, 258742960), (2, 129371480), (4, 64685740), (5, 51748592), (7, 36963280), (8, 32342870), (10, 25874296), (14, 18481640), (16, 16171435), (20, 12937148), (28, 9240820), (35, 7392656), (40, 6468574), (56, 4620410), (70, 3696328), (80, 3234287), (112, 2310205), (140, 1848164), (280, 924082), (560, 462041)]