558320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{997}}^1$

素因数の和:1017

約数の個数: 40

約数和(自身を含む): 1485024

約数和(自身を除く): 926704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 997, 1994, 3988, 4985, 6979, 7976, 9970, 13958, 15952, 19940, 27916, 34895, 39880, 55832, 69790, 79760, 111664, 139580, 279160, 558320]

約数ペア:

[(1, 558320), (2, 279160), (4, 139580), (5, 111664), (7, 79760), (8, 69790), (10, 55832), (14, 39880), (16, 34895), (20, 27916), (28, 19940), (35, 15952), (40, 13958), (56, 9970), (70, 7976), (80, 6979), (112, 4985), (140, 3988), (280, 1994), (560, 997)]