257552770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1\times {\mathrm{2381}}^1$

素因数の和:2790

約数の個数: 32

約数和(自身を含む): 481068720

約数和(自身を除く): 223515950

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 373, 746, 1865, 2381, 3730, 4762, 10817, 11905, 21634, 23810, 54085, 69049, 108170, 138098, 345245, 690490, 888113, 1776226, 4440565, 8881130, 25755277, 51510554, 128776385, 257552770]

約数ペア:

[(1, 257552770), (2, 128776385), (5, 51510554), (10, 25755277), (29, 8881130), (58, 4440565), (145, 1776226), (290, 888113), (373, 690490), (746, 345245), (1865, 138098), (2381, 108170), (3730, 69049), (4762, 54085), (10817, 23810), (11905, 21634)]