204058900

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 453816440

約数和(自身を除く): 249757540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 109, 193, 194, 218, 386, 388, 436, 485, 545, 772, 965, 970, 1090, 1930, 1940, 2180, 2425, 2725, 3860, 4825, 4850, 5450, 9650, 9700, 10573, 10900, 18721, 19300, 21037, 21146, 37442, 42074, 42292, 52865, 74884, 84148, 93605, 105185, 105730, 187210, 210370, 211460, 264325, 374420, 420740, 468025, 525925, 528650, 936050, 1051850, 1057300, 1872100, 2040589, 2103700, 4081178, 8162356, 10202945, 20405890, 40811780, 51014725, 102029450, 204058900]

約数ペア:

[(1, 204058900), (2, 102029450), (4, 51014725), (5, 40811780), (10, 20405890), (20, 10202945), (25, 8162356), (50, 4081178), (97, 2103700), (100, 2040589), (109, 1872100), (193, 1057300), (194, 1051850), (218, 936050), (386, 528650), (388, 525925), (436, 468025), (485, 420740), (545, 374420), (772, 264325), (965, 211460), (970, 210370), (1090, 187210), (1930, 105730), (1940, 105185), (2180, 93605), (2425, 84148), (2725, 74884), (3860, 52865), (4825, 42292), (4850, 42074), (5450, 37442), (9650, 21146), (9700, 21037), (10573, 19300), (10900, 18721)]