219366950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:494

約数の個数: 72

約数和(自身を含む): 454189680

約数和(自身を除く): 234822730

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 101, 110, 121, 202, 242, 275, 359, 505, 550, 605, 718, 1010, 1111, 1210, 1795, 2222, 2525, 3025, 3590, 3949, 5050, 5555, 6050, 7898, 8975, 11110, 12221, 17950, 19745, 24442, 27775, 36259, 39490, 43439, 55550, 61105, 72518, 86878, 98725, 122210, 181295, 197450, 217195, 305525, 362590, 398849, 434390, 611050, 797698, 906475, 1085975, 1812950, 1994245, 2171950, 3988490, 4387339, 8774678, 9971225, 19942450, 21936695, 43873390, 109683475, 219366950]

約数ペア:

[(1, 219366950), (2, 109683475), (5, 43873390), (10, 21936695), (11, 19942450), (22, 9971225), (25, 8774678), (50, 4387339), (55, 3988490), (101, 2171950), (110, 1994245), (121, 1812950), (202, 1085975), (242, 906475), (275, 797698), (359, 611050), (505, 434390), (550, 398849), (605, 362590), (718, 305525), (1010, 217195), (1111, 197450), (1210, 181295), (1795, 122210), (2222, 98725), (2525, 86878), (3025, 72518), (3590, 61105), (3949, 55550), (5050, 43439), (5555, 39490), (6050, 36259), (7898, 27775), (8975, 24442), (11110, 19745), (12221, 17950)]