1222100

素因数分解:

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

素因数の和:137

約数の個数: 54

約数和(自身を含む): 2943822

約数和(自身を除く): 1721722

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 101, 110, 121, 202, 220, 242, 275, 404, 484, 505, 550, 605, 1010, 1100, 1111, 1210, 2020, 2222, 2420, 2525, 3025, 4444, 5050, 5555, 6050, 10100, 11110, 12100, 12221, 22220, 24442, 27775, 48884, 55550, 61105, 111100, 122210, 244420, 305525, 611050, 1222100]

約数ペア:

[(1, 1222100), (2, 611050), (4, 305525), (5, 244420), (10, 122210), (11, 111100), (20, 61105), (22, 55550), (25, 48884), (44, 27775), (50, 24442), (55, 22220), (100, 12221), (101, 12100), (110, 11110), (121, 10100), (202, 6050), (220, 5555), (242, 5050), (275, 4444), (404, 3025), (484, 2525), (505, 2420), (550, 2222), (605, 2020), (1010, 1210), (1100, 1111)]