218109800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 529489920

約数和(自身を除く): 311380120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 127, 155, 200, 248, 254, 277, 310, 508, 554, 620, 635, 775, 1016, 1108, 1240, 1270, 1385, 1550, 2216, 2540, 2770, 3100, 3175, 3937, 5080, 5540, 6200, 6350, 6925, 7874, 8587, 11080, 12700, 13850, 15748, 17174, 19685, 25400, 27700, 31496, 34348, 35179, 39370, 42935, 55400, 68696, 70358, 78740, 85870, 98425, 140716, 157480, 171740, 175895, 196850, 214675, 281432, 343480, 351790, 393700, 429350, 703580, 787400, 858700, 879475, 1090549, 1407160, 1717400, 1758950, 2181098, 3517900, 4362196, 5452745, 7035800, 8724392, 10905490, 21810980, 27263725, 43621960, 54527450, 109054900, 218109800]

約数ペア:

[(1, 218109800), (2, 109054900), (4, 54527450), (5, 43621960), (8, 27263725), (10, 21810980), (20, 10905490), (25, 8724392), (31, 7035800), (40, 5452745), (50, 4362196), (62, 3517900), (100, 2181098), (124, 1758950), (127, 1717400), (155, 1407160), (200, 1090549), (248, 879475), (254, 858700), (277, 787400), (310, 703580), (508, 429350), (554, 393700), (620, 351790), (635, 343480), (775, 281432), (1016, 214675), (1108, 196850), (1240, 175895), (1270, 171740), (1385, 157480), (1550, 140716), (2216, 98425), (2540, 85870), (2770, 78740), (3100, 70358), (3175, 68696), (3937, 55400), (5080, 42935), (5540, 39370), (6200, 35179), (6350, 34348), (6925, 31496), (7874, 27700), (8587, 25400), (11080, 19685), (12700, 17174), (13850, 15748)]