1283156740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{661421}}^1$

素因数の和:661527

約数の個数: 24

約数和(自身を含む): 2722412952

約数和(自身を除く): 1439256212

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 661421, 1322842, 2645684, 3307105, 6614210, 13228420, 64157837, 128315674, 256631348, 320789185, 641578370, 1283156740]

約数ペア:

[(1, 1283156740), (2, 641578370), (4, 320789185), (5, 256631348), (10, 128315674), (20, 64157837), (97, 13228420), (194, 6614210), (388, 3307105), (485, 2645684), (970, 1322842), (1940, 661421)]