27778940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8627}}^1$

素因数の和:8666

約数の個数: 48

約数和(自身を含む): 69576192

約数和(自身を除く): 41797252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 8627, 17254, 34508, 43135, 60389, 86270, 120778, 172540, 198421, 241556, 301945, 396842, 603890, 793684, 992105, 1207780, 1388947, 1984210, 2777894, 3968420, 5555788, 6944735, 13889470, 27778940]

約数ペア:

[(1, 27778940), (2, 13889470), (4, 6944735), (5, 5555788), (7, 3968420), (10, 2777894), (14, 1984210), (20, 1388947), (23, 1207780), (28, 992105), (35, 793684), (46, 603890), (70, 396842), (92, 301945), (115, 241556), (140, 198421), (161, 172540), (230, 120778), (322, 86270), (460, 60389), (644, 43135), (805, 34508), (1610, 17254), (3220, 8627)]