205280636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^2$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 430671360

約数和(自身を除く): 225390724

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 89, 124, 178, 209, 341, 356, 418, 589, 682, 836, 979, 1178, 1364, 1691, 1958, 2356, 2759, 3382, 3916, 5518, 6479, 6764, 7921, 11036, 12958, 15842, 18601, 25916, 30349, 31684, 37202, 52421, 60698, 74404, 87131, 104842, 121396, 150499, 174262, 209684, 245551, 300998, 348524, 491102, 576631, 601996, 982204, 1153262, 1655489, 2306524, 2701061, 3310978, 4665469, 5402122, 6621956, 9330938, 10804244, 18661876, 51320159, 102640318, 205280636]

約数ペア:

[(1, 205280636), (2, 102640318), (4, 51320159), (11, 18661876), (19, 10804244), (22, 9330938), (31, 6621956), (38, 5402122), (44, 4665469), (62, 3310978), (76, 2701061), (89, 2306524), (124, 1655489), (178, 1153262), (209, 982204), (341, 601996), (356, 576631), (418, 491102), (589, 348524), (682, 300998), (836, 245551), (979, 209684), (1178, 174262), (1364, 150499), (1691, 121396), (1958, 104842), (2356, 87131), (2759, 74404), (3382, 60698), (3916, 52421), (5518, 37202), (6479, 31684), (6764, 30349), (7921, 25916), (11036, 18601), (12958, 15842)]