90117850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1093}}^1$

素因数の和:1219

約数の個数: 48

約数和(自身を含む): 179472888

約数和(自身を除く): 89355038

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 97, 170, 194, 425, 485, 850, 970, 1093, 1649, 2186, 2425, 3298, 4850, 5465, 8245, 10930, 16490, 18581, 27325, 37162, 41225, 54650, 82450, 92905, 106021, 185810, 212042, 464525, 530105, 929050, 1060210, 1802357, 2650525, 3604714, 5301050, 9011785, 18023570, 45058925, 90117850]

約数ペア:

[(1, 90117850), (2, 45058925), (5, 18023570), (10, 9011785), (17, 5301050), (25, 3604714), (34, 2650525), (50, 1802357), (85, 1060210), (97, 929050), (170, 530105), (194, 464525), (425, 212042), (485, 185810), (850, 106021), (970, 92905), (1093, 82450), (1649, 54650), (2186, 41225), (2425, 37162), (3298, 27325), (4850, 18581), (5465, 16490), (8245, 10930)]