208959530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2729}}^1$

素因数の和:2799

約数の個数: 64

約数和(自身を含む): 440294400

約数和(自身を除く): 231334870

約数列:

[1, 2, 5, 10, 13, 19, 26, 31, 38, 62, 65, 95, 130, 155, 190, 247, 310, 403, 494, 589, 806, 1178, 1235, 2015, 2470, 2729, 2945, 4030, 5458, 5890, 7657, 13645, 15314, 27290, 35477, 38285, 51851, 70954, 76570, 84599, 103702, 169198, 177385, 259255, 354770, 422995, 518510, 674063, 845990, 1099787, 1348126, 1607381, 2199574, 3214762, 3370315, 5498935, 6740630, 8036905, 10997870, 16073810, 20895953, 41791906, 104479765, 208959530]

約数ペア:

[(1, 208959530), (2, 104479765), (5, 41791906), (10, 20895953), (13, 16073810), (19, 10997870), (26, 8036905), (31, 6740630), (38, 5498935), (62, 3370315), (65, 3214762), (95, 2199574), (130, 1607381), (155, 1348126), (190, 1099787), (247, 845990), (310, 674063), (403, 518510), (494, 422995), (589, 354770), (806, 259255), (1178, 177385), (1235, 169198), (2015, 103702), (2470, 84599), (2729, 76570), (2945, 70954), (4030, 51851), (5458, 38285), (5890, 35477), (7657, 27290), (13645, 15314)]