201578375

素因数分解:

$5^3\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 258336000

約数和(自身を除く): 56757625

約数列:

[1, 5, 25, 79, 125, 137, 149, 395, 685, 745, 1975, 3425, 3725, 9875, 10823, 11771, 17125, 18625, 20413, 54115, 58855, 102065, 270575, 294275, 510325, 1352875, 1471375, 1612627, 2551625, 8063135, 40315675, 201578375]

約数ペア:

[(1, 201578375), (5, 40315675), (25, 8063135), (79, 2551625), (125, 1612627), (137, 1471375), (149, 1352875), (395, 510325), (685, 294275), (745, 270575), (1975, 102065), (3425, 58855), (3725, 54115), (9875, 20413), (10823, 18625), (11771, 17125)]