290136688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1886

約数の個数: 80

約数和(自身を含む): 647101440

約数和(自身を除く): 356964752

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 34, 38, 62, 68, 76, 124, 136, 152, 248, 272, 304, 323, 496, 527, 589, 646, 1054, 1178, 1292, 1811, 2108, 2356, 2584, 3622, 4216, 4712, 5168, 7244, 8432, 9424, 10013, 14488, 20026, 28976, 30787, 34409, 40052, 56141, 61574, 68818, 80104, 112282, 123148, 137636, 160208, 224564, 246296, 275272, 449128, 492592, 550544, 584953, 898256, 954397, 1066679, 1169906, 1908794, 2133358, 2339812, 3817588, 4266716, 4679624, 7635176, 8533432, 9359248, 15270352, 17066864, 18133543, 36267086, 72534172, 145068344, 290136688]

約数ペア:

[(1, 290136688), (2, 145068344), (4, 72534172), (8, 36267086), (16, 18133543), (17, 17066864), (19, 15270352), (31, 9359248), (34, 8533432), (38, 7635176), (62, 4679624), (68, 4266716), (76, 3817588), (124, 2339812), (136, 2133358), (152, 1908794), (248, 1169906), (272, 1066679), (304, 954397), (323, 898256), (496, 584953), (527, 550544), (589, 492592), (646, 449128), (1054, 275272), (1178, 246296), (1292, 224564), (1811, 160208), (2108, 137636), (2356, 123148), (2584, 112282), (3622, 80104), (4216, 68818), (4712, 61574), (5168, 56141), (7244, 40052), (8432, 34409), (9424, 30787), (10013, 28976), (14488, 20026)]