55117720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1949}}^1$

素因数の和:2068

約数の個数: 64

約数和(自身を含む): 143208000

約数和(自身を除く): 88090280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 1949, 2020, 2828, 3535, 3898, 4040, 5656, 7070, 7796, 9745, 13643, 14140, 15592, 19490, 27286, 28280, 38980, 54572, 68215, 77960, 109144, 136430, 196849, 272860, 393698, 545720, 787396, 984245, 1377943, 1574792, 1968490, 2755886, 3936980, 5511772, 6889715, 7873960, 11023544, 13779430, 27558860, 55117720]

約数ペア:

[(1, 55117720), (2, 27558860), (4, 13779430), (5, 11023544), (7, 7873960), (8, 6889715), (10, 5511772), (14, 3936980), (20, 2755886), (28, 1968490), (35, 1574792), (40, 1377943), (56, 984245), (70, 787396), (101, 545720), (140, 393698), (202, 272860), (280, 196849), (404, 136430), (505, 109144), (707, 77960), (808, 68215), (1010, 54572), (1414, 38980), (1949, 28280), (2020, 27286), (2828, 19490), (3535, 15592), (3898, 14140), (4040, 13643), (5656, 9745), (7070, 7796)]