28907270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5657}}^1$

素因数の和:5744

約数の個数: 32

約数和(自身を含む): 60291648

約数和(自身を除く): 31384378

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 5110, 5657, 11314, 28285, 39599, 56570, 79198, 197995, 395990, 412961, 825922, 2064805, 2890727, 4129610, 5781454, 14453635, 28907270]

約数ペア:

[(1, 28907270), (2, 14453635), (5, 5781454), (7, 4129610), (10, 2890727), (14, 2064805), (35, 825922), (70, 412961), (73, 395990), (146, 197995), (365, 79198), (511, 56570), (730, 39599), (1022, 28285), (2555, 11314), (5110, 5657)]