18348520900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{22717}}^1$

素因数の和:22969

約数の個数: 72

約数和(自身を含む): 40996266696

約数和(自身を除く): 22647745796

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 197, 205, 394, 410, 788, 820, 985, 1025, 1970, 2050, 3940, 4100, 4925, 8077, 9850, 16154, 19700, 22717, 32308, 40385, 45434, 80770, 90868, 113585, 161540, 201925, 227170, 403850, 454340, 567925, 807700, 931397, 1135850, 1862794, 2271700, 3725588, 4475249, 4656985, 8950498, 9313970, 17900996, 18627940, 22376245, 23284925, 44752490, 46569850, 89504980, 93139700, 111881225, 183485209, 223762450, 366970418, 447524900, 733940836, 917426045, 1834852090, 3669704180, 4587130225, 9174260450, 18348520900]

約数ペア:

[(1, 18348520900), (2, 9174260450), (4, 4587130225), (5, 3669704180), (10, 1834852090), (20, 917426045), (25, 733940836), (41, 447524900), (50, 366970418), (82, 223762450), (100, 183485209), (164, 111881225), (197, 93139700), (205, 89504980), (394, 46569850), (410, 44752490), (788, 23284925), (820, 22376245), (985, 18627940), (1025, 17900996), (1970, 9313970), (2050, 8950498), (3940, 4656985), (4100, 4475249), (4925, 3725588), (8077, 2271700), (9850, 1862794), (16154, 1135850), (19700, 931397), (22717, 807700), (32308, 567925), (40385, 454340), (45434, 403850), (80770, 227170), (90868, 201925), (113585, 161540)]