647976010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{256117}}^1$

素因数の和:256158

約数の個数: 32

約数和(自身を含む): 1327715712

約数和(自身を除く): 679739702

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 256117, 512234, 1280585, 2561170, 2817287, 5634574, 5890691, 11781382, 14086435, 28172870, 29453455, 58906910, 64797601, 129595202, 323988005, 647976010]

約数ペア:

[(1, 647976010), (2, 323988005), (5, 129595202), (10, 64797601), (11, 58906910), (22, 29453455), (23, 28172870), (46, 14086435), (55, 11781382), (110, 5890691), (115, 5634574), (230, 2817287), (253, 2561170), (506, 1280585), (1265, 512234), (2530, 256117)]