157400390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{28463}}^1$

素因数の和:28556

約数の個数: 32

約数和(自身を含む): 327905280

約数和(自身を除く): 170504890

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 5530, 28463, 56926, 142315, 199241, 284630, 398482, 996205, 1992410, 2248577, 4497154, 11242885, 15740039, 22485770, 31480078, 78700195, 157400390]

約数ペア:

[(1, 157400390), (2, 78700195), (5, 31480078), (7, 22485770), (10, 15740039), (14, 11242885), (35, 4497154), (70, 2248577), (79, 1992410), (158, 996205), (395, 398482), (553, 284630), (790, 199241), (1106, 142315), (2765, 56926), (5530, 28463)]