788478320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1407997}}^1$

素因数の和:1408017

約数の個数: 40

約数和(自身を含む): 2095101024

約数和(自身を除く): 1306622704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1407997, 2815994, 5631988, 7039985, 9855979, 11263976, 14079970, 19711958, 22527952, 28159940, 39423916, 49279895, 56319880, 78847832, 98559790, 112639760, 157695664, 197119580, 394239160, 788478320]

約数ペア:

[(1, 788478320), (2, 394239160), (4, 197119580), (5, 157695664), (7, 112639760), (8, 98559790), (10, 78847832), (14, 56319880), (16, 49279895), (20, 39423916), (28, 28159940), (35, 22527952), (40, 19711958), (56, 14079970), (70, 11263976), (80, 9855979), (112, 7039985), (140, 5631988), (280, 2815994), (560, 1407997)]