977680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1$

素因数の和:136

約数の個数: 60

約数和(自身を含む): 2523276

約数和(自身を除く): 1545596

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 121, 176, 202, 220, 242, 404, 440, 484, 505, 605, 808, 880, 968, 1010, 1111, 1210, 1616, 1936, 2020, 2222, 2420, 4040, 4444, 4840, 5555, 8080, 8888, 9680, 11110, 12221, 17776, 22220, 24442, 44440, 48884, 61105, 88880, 97768, 122210, 195536, 244420, 488840, 977680]

約数ペア:

[(1, 977680), (2, 488840), (4, 244420), (5, 195536), (8, 122210), (10, 97768), (11, 88880), (16, 61105), (20, 48884), (22, 44440), (40, 24442), (44, 22220), (55, 17776), (80, 12221), (88, 11110), (101, 9680), (110, 8888), (121, 8080), (176, 5555), (202, 4840), (220, 4444), (242, 4040), (404, 2420), (440, 2222), (484, 2020), (505, 1936), (605, 1616), (808, 1210), (880, 1111), (968, 1010)]