256103620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{9127}}^1$

素因数の和:9220

約数の個数: 48

約数和(自身を含む): 570463488

約数和(自身を除く): 314359868

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 610, 1220, 1403, 2806, 5612, 7015, 9127, 14030, 18254, 28060, 36508, 45635, 91270, 182540, 209921, 419842, 556747, 839684, 1049605, 1113494, 2099210, 2226988, 2783735, 4198420, 5567470, 11134940, 12805181, 25610362, 51220724, 64025905, 128051810, 256103620]

約数ペア:

[(1, 256103620), (2, 128051810), (4, 64025905), (5, 51220724), (10, 25610362), (20, 12805181), (23, 11134940), (46, 5567470), (61, 4198420), (92, 2783735), (115, 2226988), (122, 2099210), (230, 1113494), (244, 1049605), (305, 839684), (460, 556747), (610, 419842), (1220, 209921), (1403, 182540), (2806, 91270), (5612, 45635), (7015, 36508), (9127, 28060), (14030, 18254)]