278310050

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{389}}^1$

素因数の和:791

約数の個数: 48

約数和(自身を含む): 533169000

約数和(自身を除く): 254858950

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 349, 389, 410, 698, 778, 1025, 1745, 1945, 2050, 3490, 3890, 8725, 9725, 14309, 15949, 17450, 19450, 28618, 31898, 71545, 79745, 135761, 143090, 159490, 271522, 357725, 398725, 678805, 715450, 797450, 1357610, 3394025, 5566201, 6788050, 11132402, 27831005, 55662010, 139155025, 278310050]

約数ペア:

[(1, 278310050), (2, 139155025), (5, 55662010), (10, 27831005), (25, 11132402), (41, 6788050), (50, 5566201), (82, 3394025), (205, 1357610), (349, 797450), (389, 715450), (410, 678805), (698, 398725), (778, 357725), (1025, 271522), (1745, 159490), (1945, 143090), (2050, 135761), (3490, 79745), (3890, 71545), (8725, 31898), (9725, 28618), (14309, 19450), (15949, 17450)]