129371480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{462041}}^1$

素因数の和:462059

約数の個数: 32

約数和(自身を含む): 332670240

約数和(自身を除く): 203298760

約数列:

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

約数ペア:

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