8889471340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1307

約数の個数: 96

約数和(自身を含む): 19652903424

約数和(自身を除く): 10763432084

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 197, 292, 310, 365, 394, 620, 730, 788, 985, 997, 1460, 1970, 1994, 2263, 3940, 3988, 4526, 4985, 6107, 9052, 9970, 11315, 12214, 14381, 19940, 22630, 24428, 28762, 30535, 30907, 45260, 57524, 61070, 61814, 71905, 72781, 122140, 123628, 143810, 145562, 154535, 196409, 287620, 291124, 309070, 363905, 392818, 445811, 618140, 727810, 785636, 891622, 982045, 1455620, 1783244, 1964090, 2229055, 2256211, 3928180, 4458110, 4512422, 6088679, 8916220, 9024844, 11281055, 12177358, 14337857, 22562110, 24354716, 28675714, 30443395, 45124220, 57351428, 60886790, 71689285, 121773580, 143378570, 286757140, 444473567, 888947134, 1777894268, 2222367835, 4444735670, 8889471340]

約数ペア:

[(1, 8889471340), (2, 4444735670), (4, 2222367835), (5, 1777894268), (10, 888947134), (20, 444473567), (31, 286757140), (62, 143378570), (73, 121773580), (124, 71689285), (146, 60886790), (155, 57351428), (197, 45124220), (292, 30443395), (310, 28675714), (365, 24354716), (394, 22562110), (620, 14337857), (730, 12177358), (788, 11281055), (985, 9024844), (997, 8916220), (1460, 6088679), (1970, 4512422), (1994, 4458110), (2263, 3928180), (3940, 2256211), (3988, 2229055), (4526, 1964090), (4985, 1783244), (6107, 1455620), (9052, 982045), (9970, 891622), (11315, 785636), (12214, 727810), (14381, 618140), (19940, 445811), (22630, 392818), (24428, 363905), (28762, 309070), (30535, 291124), (30907, 287620), (45260, 196409), (57524, 154535), (61070, 145562), (61814, 143810), (71905, 123628), (72781, 122140)]