338974240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17509}}^1$

素因数の和:17546

約数の個数: 72

約数和(自身を含む): 880297740

約数和(自身を除く): 541323500

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 9680, 17509, 19360, 35018, 70036, 87545, 140072, 175090, 192599, 280144, 350180, 385198, 560288, 700360, 770396, 962995, 1400720, 1540792, 1925990, 2118589, 2801440, 3081584, 3851980, 4237178, 6163168, 7703960, 8474356, 10592945, 15407920, 16948712, 21185890, 30815840, 33897424, 42371780, 67794848, 84743560, 169487120, 338974240]

約数ペア:

[(1, 338974240), (2, 169487120), (4, 84743560), (5, 67794848), (8, 42371780), (10, 33897424), (11, 30815840), (16, 21185890), (20, 16948712), (22, 15407920), (32, 10592945), (40, 8474356), (44, 7703960), (55, 6163168), (80, 4237178), (88, 3851980), (110, 3081584), (121, 2801440), (160, 2118589), (176, 1925990), (220, 1540792), (242, 1400720), (352, 962995), (440, 770396), (484, 700360), (605, 560288), (880, 385198), (968, 350180), (1210, 280144), (1760, 192599), (1936, 175090), (2420, 140072), (3872, 87545), (4840, 70036), (9680, 35018), (17509, 19360)]