2045407420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{21391}}^1$

素因数の和:22090

約数の個数: 48

約数和(自身を含む): 4916395008

約数和(自身を除く): 2870987588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 683, 1366, 2732, 3415, 4781, 6830, 9562, 13660, 19124, 21391, 23905, 42782, 47810, 85564, 95620, 106955, 149737, 213910, 299474, 427820, 598948, 748685, 1497370, 2994740, 14610053, 29220106, 58440212, 73050265, 102270371, 146100530, 204540742, 292201060, 409081484, 511351855, 1022703710, 2045407420]

約数ペア:

[(1, 2045407420), (2, 1022703710), (4, 511351855), (5, 409081484), (7, 292201060), (10, 204540742), (14, 146100530), (20, 102270371), (28, 73050265), (35, 58440212), (70, 29220106), (140, 14610053), (683, 2994740), (1366, 1497370), (2732, 748685), (3415, 598948), (4781, 427820), (6830, 299474), (9562, 213910), (13660, 149737), (19124, 106955), (21391, 95620), (23905, 85564), (42782, 47810)]