155707220

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{68897}}^1$

素因数の和:69019

約数の個数: 24

約数和(自身を含む): 329883624

約数和(自身を除く): 174176404

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 68897, 137794, 275588, 344485, 688970, 1377940, 7785361, 15570722, 31141444, 38926805, 77853610, 155707220]

約数ペア:

[(1, 155707220), (2, 77853610), (4, 38926805), (5, 31141444), (10, 15570722), (20, 7785361), (113, 1377940), (226, 688970), (452, 344485), (565, 275588), (1130, 137794), (2260, 68897)]