133390520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1109}}^1$

素因数の和:1248

約数の個数: 64

約数和(自身を含む): 313286400

約数和(自身を除く): 179895880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 97, 124, 155, 194, 248, 310, 388, 485, 620, 776, 970, 1109, 1240, 1940, 2218, 3007, 3880, 4436, 5545, 6014, 8872, 11090, 12028, 15035, 22180, 24056, 30070, 34379, 44360, 60140, 68758, 107573, 120280, 137516, 171895, 215146, 275032, 343790, 430292, 537865, 687580, 860584, 1075730, 1375160, 2151460, 3334763, 4302920, 6669526, 13339052, 16673815, 26678104, 33347630, 66695260, 133390520]

約数ペア:

[(1, 133390520), (2, 66695260), (4, 33347630), (5, 26678104), (8, 16673815), (10, 13339052), (20, 6669526), (31, 4302920), (40, 3334763), (62, 2151460), (97, 1375160), (124, 1075730), (155, 860584), (194, 687580), (248, 537865), (310, 430292), (388, 343790), (485, 275032), (620, 215146), (776, 171895), (970, 137516), (1109, 120280), (1240, 107573), (1940, 68758), (2218, 60140), (3007, 44360), (3880, 34379), (4436, 30070), (5545, 24056), (6014, 22180), (8872, 15035), (11090, 12028)]