90438404

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1223}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 191923200

約数和(自身を除く): 101484796

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 139, 266, 278, 532, 556, 973, 1223, 1946, 2446, 2641, 3892, 4892, 5282, 8561, 10564, 17122, 18487, 23237, 34244, 36974, 46474, 73948, 92948, 162659, 169997, 325318, 339994, 650636, 679988, 1189979, 2379958, 3229943, 4759916, 6459886, 12919772, 22609601, 45219202, 90438404]

約数ペア:

[(1, 90438404), (2, 45219202), (4, 22609601), (7, 12919772), (14, 6459886), (19, 4759916), (28, 3229943), (38, 2379958), (76, 1189979), (133, 679988), (139, 650636), (266, 339994), (278, 325318), (532, 169997), (556, 162659), (973, 92948), (1223, 73948), (1946, 46474), (2446, 36974), (2641, 34244), (3892, 23237), (4892, 18487), (5282, 17122), (8561, 10564)]