996989180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{4079}}^1$

素因数の和:4211

約数の個数: 72

約数和(自身を含む): 2324669760

約数和(自身を除く): 1327680580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 121, 202, 220, 242, 404, 484, 505, 605, 1010, 1111, 1210, 2020, 2222, 2420, 4079, 4444, 5555, 8158, 11110, 12221, 16316, 20395, 22220, 24442, 40790, 44869, 48884, 61105, 81580, 89738, 122210, 179476, 224345, 244420, 411979, 448690, 493559, 823958, 897380, 987118, 1647916, 1974236, 2059895, 2467795, 4119790, 4531769, 4935590, 8239580, 9063538, 9871180, 18127076, 22658845, 45317690, 49849459, 90635380, 99698918, 199397836, 249247295, 498494590, 996989180]

約数ペア:

[(1, 996989180), (2, 498494590), (4, 249247295), (5, 199397836), (10, 99698918), (11, 90635380), (20, 49849459), (22, 45317690), (44, 22658845), (55, 18127076), (101, 9871180), (110, 9063538), (121, 8239580), (202, 4935590), (220, 4531769), (242, 4119790), (404, 2467795), (484, 2059895), (505, 1974236), (605, 1647916), (1010, 987118), (1111, 897380), (1210, 823958), (2020, 493559), (2222, 448690), (2420, 411979), (4079, 244420), (4444, 224345), (5555, 179476), (8158, 122210), (11110, 89738), (12221, 81580), (16316, 61105), (20395, 48884), (22220, 44869), (24442, 40790)]