897882860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{701}}^1\times {\mathrm{1307}}^1$

素因数の和:2031

約数の個数: 72

約数和(自身を含む): 2198209104

約数和(自身を除く): 1300326244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 701, 980, 1307, 1402, 2614, 2804, 3505, 4907, 5228, 6535, 7010, 9149, 9814, 13070, 14020, 18298, 19628, 24535, 26140, 34349, 36596, 45745, 49070, 64043, 68698, 91490, 98140, 128086, 137396, 171745, 182980, 256172, 320215, 343490, 640430, 686980, 916207, 1280860, 1832414, 3664828, 4581035, 6413449, 9162070, 12826898, 18324140, 25653796, 32067245, 44894143, 64134490, 89788286, 128268980, 179576572, 224470715, 448941430, 897882860]

約数ペア:

[(1, 897882860), (2, 448941430), (4, 224470715), (5, 179576572), (7, 128268980), (10, 89788286), (14, 64134490), (20, 44894143), (28, 32067245), (35, 25653796), (49, 18324140), (70, 12826898), (98, 9162070), (140, 6413449), (196, 4581035), (245, 3664828), (490, 1832414), (701, 1280860), (980, 916207), (1307, 686980), (1402, 640430), (2614, 343490), (2804, 320215), (3505, 256172), (4907, 182980), (5228, 171745), (6535, 137396), (7010, 128086), (9149, 98140), (9814, 91490), (13070, 68698), (14020, 64043), (18298, 49070), (19628, 45745), (24535, 36596), (26140, 34349)]