208080070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{383}}^1\times {\mathrm{449}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 413683200

約数和(自身を除く): 205603130

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 383, 449, 605, 766, 898, 1210, 1915, 2245, 3830, 4213, 4490, 4939, 8426, 9878, 21065, 24695, 42130, 46343, 49390, 54329, 92686, 108658, 171967, 231715, 271645, 343934, 463430, 543290, 859835, 1719670, 1891637, 3783274, 9458185, 18916370, 20808007, 41616014, 104040035, 208080070]

約数ペア:

[(1, 208080070), (2, 104040035), (5, 41616014), (10, 20808007), (11, 18916370), (22, 9458185), (55, 3783274), (110, 1891637), (121, 1719670), (242, 859835), (383, 543290), (449, 463430), (605, 343934), (766, 271645), (898, 231715), (1210, 171967), (1915, 108658), (2245, 92686), (3830, 54329), (4213, 49390), (4490, 46343), (4939, 42130), (8426, 24695), (9878, 21065)]