1270225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 1785600

約数和(自身を除く): 515375

約数列:

[1, 5, 11, 25, 31, 55, 149, 155, 275, 341, 745, 775, 1639, 1705, 3725, 4619, 8195, 8525, 23095, 40975, 50809, 115475, 254045, 1270225]

約数ペア:

[(1, 1270225), (5, 254045), (11, 115475), (25, 50809), (31, 40975), (55, 23095), (149, 8525), (155, 8195), (275, 4619), (341, 3725), (745, 1705), (775, 1639)]