1978000122910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{974384297}}^1$

素因数の和:974384340

約数の個数: 32

約数和(自身を含む): 4209340167360

約数和(自身を除く): 2231340044450

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 974384297, 1948768594, 4871921485, 6820690079, 9743842970, 13641380158, 28257144613, 34103450395, 56514289226, 68206900790, 141285723065, 197800012291, 282571446130, 395600024582, 989000061455, 1978000122910]

約数ペア:

[(1, 1978000122910), (2, 989000061455), (5, 395600024582), (7, 282571446130), (10, 197800012291), (14, 141285723065), (29, 68206900790), (35, 56514289226), (58, 34103450395), (70, 28257144613), (145, 13641380158), (203, 9743842970), (290, 6820690079), (406, 4871921485), (1015, 1948768594), (2030, 974384297)]