818960

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 1975320

約数和(自身を除く): 1156360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 353, 464, 580, 706, 1160, 1412, 1765, 2320, 2824, 3530, 5648, 7060, 10237, 14120, 20474, 28240, 40948, 51185, 81896, 102370, 163792, 204740, 409480, 818960]

約数ペア:

[(1, 818960), (2, 409480), (4, 204740), (5, 163792), (8, 102370), (10, 81896), (16, 51185), (20, 40948), (29, 28240), (40, 20474), (58, 14120), (80, 10237), (116, 7060), (145, 5648), (232, 3530), (290, 2824), (353, 2320), (464, 1765), (580, 1412), (706, 1160)]