199909968350

素因数分解:

$2^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{541}}^1\times {\mathrm{42719}}^1$

素因数の和:43445

約数の個数: 48

約数和(自身を含む): 374681911680

約数和(自身を除く): 174771943330

約数列:

[1, 2, 5, 10, 25, 50, 173, 346, 541, 865, 1082, 1730, 2705, 4325, 5410, 8650, 13525, 27050, 42719, 85438, 93593, 187186, 213595, 427190, 467965, 935930, 1067975, 2135950, 2339825, 4679650, 7390387, 14780774, 23110979, 36951935, 46221958, 73903870, 115554895, 184759675, 231109790, 369519350, 577774475, 1155548950, 3998199367, 7996398734, 19990996835, 39981993670, 99954984175, 199909968350]

約数ペア:

[(1, 199909968350), (2, 99954984175), (5, 39981993670), (10, 19990996835), (25, 7996398734), (50, 3998199367), (173, 1155548950), (346, 577774475), (541, 369519350), (865, 231109790), (1082, 184759675), (1730, 115554895), (2705, 73903870), (4325, 46221958), (5410, 36951935), (8650, 23110979), (13525, 14780774), (27050, 7390387), (42719, 4679650), (85438, 2339825), (93593, 2135950), (187186, 1067975), (213595, 935930), (427190, 467965)]