208033100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{499}}^1$

素因数の和:903

約数の個数: 72

約数和(自身を含む): 494760000

約数和(自身を除く): 286726900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 379, 499, 550, 758, 998, 1100, 1516, 1895, 1996, 2495, 3790, 4169, 4990, 5489, 7580, 8338, 9475, 9980, 10978, 12475, 16676, 18950, 20845, 21956, 24950, 27445, 37900, 41690, 49900, 54890, 83380, 104225, 109780, 137225, 189121, 208450, 274450, 378242, 416900, 548900, 756484, 945605, 1891210, 2080331, 3782420, 4160662, 4728025, 8321324, 9456050, 10401655, 18912100, 20803310, 41606620, 52008275, 104016550, 208033100]

約数ペア:

[(1, 208033100), (2, 104016550), (4, 52008275), (5, 41606620), (10, 20803310), (11, 18912100), (20, 10401655), (22, 9456050), (25, 8321324), (44, 4728025), (50, 4160662), (55, 3782420), (100, 2080331), (110, 1891210), (220, 945605), (275, 756484), (379, 548900), (499, 416900), (550, 378242), (758, 274450), (998, 208450), (1100, 189121), (1516, 137225), (1895, 109780), (1996, 104225), (2495, 83380), (3790, 54890), (4169, 49900), (4990, 41690), (5489, 37900), (7580, 27445), (8338, 24950), (9475, 21956), (9980, 20845), (10978, 18950), (12475, 16676)]