54899900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1721}}^1$

素因数の和:1775

約数の個数: 72

約数和(自身を含む): 134522640

約数和(自身を除く): 79622740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 638, 725, 1100, 1276, 1450, 1595, 1721, 2900, 3190, 3442, 6380, 6884, 7975, 8605, 15950, 17210, 18931, 31900, 34420, 37862, 43025, 49909, 75724, 86050, 94655, 99818, 172100, 189310, 199636, 249545, 378620, 473275, 499090, 548999, 946550, 998180, 1097998, 1247725, 1893100, 2195996, 2495450, 2744995, 4990900, 5489990, 10979980, 13724975, 27449950, 54899900]

約数ペア:

[(1, 54899900), (2, 27449950), (4, 13724975), (5, 10979980), (10, 5489990), (11, 4990900), (20, 2744995), (22, 2495450), (25, 2195996), (29, 1893100), (44, 1247725), (50, 1097998), (55, 998180), (58, 946550), (100, 548999), (110, 499090), (116, 473275), (145, 378620), (220, 249545), (275, 199636), (290, 189310), (319, 172100), (550, 99818), (580, 94655), (638, 86050), (725, 75724), (1100, 49909), (1276, 43025), (1450, 37862), (1595, 34420), (1721, 31900), (2900, 18931), (3190, 17210), (3442, 15950), (6380, 8605), (6884, 7975)]