419793904

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{72679}}^1$

素因数の和:72725

約数の個数: 30

約数和(自身を含む): 858423480

約数和(自身を除く): 438629576

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 5776, 72679, 145358, 290716, 581432, 1162864, 1380901, 2761802, 5523604, 11047208, 22094416, 26237119, 52474238, 104948476, 209896952, 419793904]

約数ペア:

[(1, 419793904), (2, 209896952), (4, 104948476), (8, 52474238), (16, 26237119), (19, 22094416), (38, 11047208), (76, 5523604), (152, 2761802), (304, 1380901), (361, 1162864), (722, 581432), (1444, 290716), (2888, 145358), (5776, 72679)]