100208080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1409}}^1$

素因数の和:1556

約数の個数: 80

約数和(自身を含む): 268554240

約数和(自身を除く): 168346160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1409, 1778, 2032, 2540, 2818, 3556, 4445, 5080, 5636, 7045, 7112, 8890, 9863, 10160, 11272, 14090, 14224, 17780, 19726, 22544, 28180, 35560, 39452, 49315, 56360, 71120, 78904, 98630, 112720, 157808, 178943, 197260, 357886, 394520, 715772, 789040, 894715, 1252601, 1431544, 1789430, 2505202, 2863088, 3578860, 5010404, 6263005, 7157720, 10020808, 12526010, 14315440, 20041616, 25052020, 50104040, 100208080]

約数ペア:

[(1, 100208080), (2, 50104040), (4, 25052020), (5, 20041616), (7, 14315440), (8, 12526010), (10, 10020808), (14, 7157720), (16, 6263005), (20, 5010404), (28, 3578860), (35, 2863088), (40, 2505202), (56, 1789430), (70, 1431544), (80, 1252601), (112, 894715), (127, 789040), (140, 715772), (254, 394520), (280, 357886), (508, 197260), (560, 178943), (635, 157808), (889, 112720), (1016, 98630), (1270, 78904), (1409, 71120), (1778, 56360), (2032, 49315), (2540, 39452), (2818, 35560), (3556, 28180), (4445, 22544), (5080, 19726), (5636, 17780), (7045, 14224), (7112, 14090), (8890, 11272), (9863, 10160)]