73988380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 160110720

約数和(自身を除く): 86122340

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 227, 379, 430, 454, 758, 860, 908, 1135, 1516, 1895, 2270, 3790, 4540, 7580, 9761, 16297, 19522, 32594, 39044, 48805, 65188, 81485, 86033, 97610, 162970, 172066, 195220, 325940, 344132, 430165, 860330, 1720660, 3699419, 7398838, 14797676, 18497095, 36994190, 73988380]

約数ペア:

[(1, 73988380), (2, 36994190), (4, 18497095), (5, 14797676), (10, 7398838), (20, 3699419), (43, 1720660), (86, 860330), (172, 430165), (215, 344132), (227, 325940), (379, 195220), (430, 172066), (454, 162970), (758, 97610), (860, 86033), (908, 81485), (1135, 65188), (1516, 48805), (1895, 39044), (2270, 32594), (3790, 19522), (4540, 16297), (7580, 9761)]