245510514

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:178

約数の個数: 120

約数和(自身を含む): 605571120

約数和(自身を除く): 360060606

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 31, 38, 54, 57, 62, 81, 83, 93, 114, 162, 166, 171, 186, 249, 279, 342, 498, 513, 558, 589, 747, 837, 961, 1026, 1178, 1494, 1539, 1577, 1674, 1767, 1922, 2241, 2511, 2573, 2883, 3078, 3154, 3534, 4482, 4731, 5022, 5146, 5301, 5766, 6723, 7719, 8649, 9462, 10602, 13446, 14193, 15438, 15903, 17298, 18259, 23157, 25947, 28386, 31806, 36518, 42579, 46314, 47709, 48887, 51894, 54777, 69471, 77841, 79763, 85158, 95418, 97774, 109554, 127737, 138942, 146661, 155682, 159526, 164331, 208413, 239289, 255474, 293322, 328662, 416826, 439983, 478578, 492993, 717867, 879966, 985986, 1319949, 1435734, 1478979, 1515497, 2153601, 2639898, 2957958, 3030994, 3959847, 4307202, 4546491, 6460803, 7919694, 9092982, 12921606, 13639473, 27278946, 40918419, 81836838, 122755257, 245510514]

約数ペア:

[(1, 245510514), (2, 122755257), (3, 81836838), (6, 40918419), (9, 27278946), (18, 13639473), (19, 12921606), (27, 9092982), (31, 7919694), (38, 6460803), (54, 4546491), (57, 4307202), (62, 3959847), (81, 3030994), (83, 2957958), (93, 2639898), (114, 2153601), (162, 1515497), (166, 1478979), (171, 1435734), (186, 1319949), (249, 985986), (279, 879966), (342, 717867), (498, 492993), (513, 478578), (558, 439983), (589, 416826), (747, 328662), (837, 293322), (961, 255474), (1026, 239289), (1178, 208413), (1494, 164331), (1539, 159526), (1577, 155682), (1674, 146661), (1767, 138942), (1922, 127737), (2241, 109554), (2511, 97774), (2573, 95418), (2883, 85158), (3078, 79763), (3154, 77841), (3534, 69471), (4482, 54777), (4731, 51894), (5022, 48887), (5146, 47709), (5301, 46314), (5766, 42579), (6723, 36518), (7719, 31806), (8649, 28386), (9462, 25947), (10602, 23157), (13446, 18259), (14193, 17298), (15438, 15903)]