747309940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2874269}}^1$

素因数の和:2874291

約数の個数: 24

約数和(自身を含む): 1690070760

約数和(自身を除く): 942760820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2874269, 5748538, 11497076, 14371345, 28742690, 37365497, 57485380, 74730994, 149461988, 186827485, 373654970, 747309940]

約数ペア:

[(1, 747309940), (2, 373654970), (4, 186827485), (5, 149461988), (10, 74730994), (13, 57485380), (20, 37365497), (26, 28742690), (52, 14371345), (65, 11497076), (130, 5748538), (260, 2874269)]