77438480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{138283}}^1$

素因数の和:138303

約数の個数: 40

約数和(自身を含む): 205766592

約数和(自身を除く): 128328112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 138283, 276566, 553132, 691415, 967981, 1106264, 1382830, 1935962, 2212528, 2765660, 3871924, 4839905, 5531320, 7743848, 9679810, 11062640, 15487696, 19359620, 38719240, 77438480]

約数ペア:

[(1, 77438480), (2, 38719240), (4, 19359620), (5, 15487696), (7, 11062640), (8, 9679810), (10, 7743848), (14, 5531320), (16, 4839905), (20, 3871924), (28, 2765660), (35, 2212528), (40, 1935962), (56, 1382830), (70, 1106264), (80, 967981), (112, 691415), (140, 553132), (280, 276566), (560, 138283)]