8501080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 22155840

約数和(自身を除く): 13654760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 313, 388, 485, 626, 679, 776, 970, 1252, 1358, 1565, 1940, 2191, 2504, 2716, 3130, 3395, 3880, 4382, 5432, 6260, 6790, 8764, 10955, 12520, 13580, 17528, 21910, 27160, 30361, 43820, 60722, 87640, 121444, 151805, 212527, 242888, 303610, 425054, 607220, 850108, 1062635, 1214440, 1700216, 2125270, 4250540, 8501080]

約数ペア:

[(1, 8501080), (2, 4250540), (4, 2125270), (5, 1700216), (7, 1214440), (8, 1062635), (10, 850108), (14, 607220), (20, 425054), (28, 303610), (35, 242888), (40, 212527), (56, 151805), (70, 121444), (97, 87640), (140, 60722), (194, 43820), (280, 30361), (313, 27160), (388, 21910), (485, 17528), (626, 13580), (679, 12520), (776, 10955), (970, 8764), (1252, 6790), (1358, 6260), (1565, 5432), (1940, 4382), (2191, 3880), (2504, 3395), (2716, 3130)]