21780133900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{36997}}^1$

素因数の和:37076

約数の個数: 108

約数和(自身を含む): 55943047888

約数和(自身を除く): 34162913988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 406, 580, 700, 725, 812, 841, 1015, 1450, 1682, 2030, 2900, 3364, 4060, 4205, 5075, 5887, 8410, 10150, 11774, 16820, 20300, 21025, 23548, 29435, 36997, 42050, 58870, 73994, 84100, 117740, 147175, 147988, 184985, 258979, 294350, 369970, 517958, 588700, 739940, 924925, 1035916, 1072913, 1294895, 1849850, 2145826, 2589790, 3699700, 4291652, 5179580, 5364565, 6474475, 7510391, 10729130, 12948950, 15020782, 21458260, 25897900, 26822825, 30041564, 31114477, 37551955, 53645650, 62228954, 75103910, 107291300, 124457908, 150207820, 155572385, 187759775, 217801339, 311144770, 375519550, 435602678, 622289540, 751039100, 777861925, 871205356, 1089006695, 1555723850, 2178013390, 3111447700, 4356026780, 5445033475, 10890066950, 21780133900]

約数ペア:

[(1, 21780133900), (2, 10890066950), (4, 5445033475), (5, 4356026780), (7, 3111447700), (10, 2178013390), (14, 1555723850), (20, 1089006695), (25, 871205356), (28, 777861925), (29, 751039100), (35, 622289540), (50, 435602678), (58, 375519550), (70, 311144770), (100, 217801339), (116, 187759775), (140, 155572385), (145, 150207820), (175, 124457908), (203, 107291300), (290, 75103910), (350, 62228954), (406, 53645650), (580, 37551955), (700, 31114477), (725, 30041564), (812, 26822825), (841, 25897900), (1015, 21458260), (1450, 15020782), (1682, 12948950), (2030, 10729130), (2900, 7510391), (3364, 6474475), (4060, 5364565), (4205, 5179580), (5075, 4291652), (5887, 3699700), (8410, 2589790), (10150, 2145826), (11774, 1849850), (16820, 1294895), (20300, 1072913), (21025, 1035916), (23548, 924925), (29435, 739940), (36997, 588700), (42050, 517958), (58870, 369970), (73994, 294350), (84100, 258979), (117740, 184985), (147175, 147988)]