72996380

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 156473856

約数和(自身を除く): 83477476

約数列:

[1, 2, 4, 5, 10, 20, 97, 191, 194, 197, 382, 388, 394, 485, 764, 788, 955, 970, 985, 1910, 1940, 1970, 3820, 3940, 18527, 19109, 37054, 37627, 38218, 74108, 75254, 76436, 92635, 95545, 150508, 185270, 188135, 191090, 370540, 376270, 382180, 752540, 3649819, 7299638, 14599276, 18249095, 36498190, 72996380]

約数ペア:

[(1, 72996380), (2, 36498190), (4, 18249095), (5, 14599276), (10, 7299638), (20, 3649819), (97, 752540), (191, 382180), (194, 376270), (197, 370540), (382, 191090), (388, 188135), (394, 185270), (485, 150508), (764, 95545), (788, 92635), (955, 76436), (970, 75254), (985, 74108), (1910, 38218), (1940, 37627), (1970, 37054), (3820, 19109), (3940, 18527)]