668828860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{7949}}^1$

素因数の和:8566

約数の個数: 48

約数和(自身を含む): 1608062400

約数和(自身を除く): 939233540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 601, 1202, 2404, 3005, 4207, 6010, 7949, 8414, 12020, 15898, 16828, 21035, 31796, 39745, 42070, 55643, 79490, 84140, 111286, 158980, 222572, 278215, 556430, 1112860, 4777349, 9554698, 19109396, 23886745, 33441443, 47773490, 66882886, 95546980, 133765772, 167207215, 334414430, 668828860]

約数ペア:

[(1, 668828860), (2, 334414430), (4, 167207215), (5, 133765772), (7, 95546980), (10, 66882886), (14, 47773490), (20, 33441443), (28, 23886745), (35, 19109396), (70, 9554698), (140, 4777349), (601, 1112860), (1202, 556430), (2404, 278215), (3005, 222572), (4207, 158980), (6010, 111286), (7949, 84140), (8414, 79490), (12020, 55643), (15898, 42070), (16828, 39745), (21035, 31796)]