270804530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2079

約数の個数: 64

約数和(自身を含む): 552960000

約数和(自身を除く): 282155470

約数列:

[1, 2, 5, 10, 19, 23, 31, 38, 46, 62, 95, 115, 155, 190, 230, 310, 437, 589, 713, 874, 1178, 1426, 1999, 2185, 2945, 3565, 3998, 4370, 5890, 7130, 9995, 13547, 19990, 27094, 37981, 45977, 61969, 67735, 75962, 91954, 123938, 135470, 189905, 229885, 309845, 379810, 459770, 619690, 873563, 1177411, 1425287, 1747126, 2354822, 2850574, 4367815, 5887055, 7126435, 8735630, 11774110, 14252870, 27080453, 54160906, 135402265, 270804530]

約数ペア:

[(1, 270804530), (2, 135402265), (5, 54160906), (10, 27080453), (19, 14252870), (23, 11774110), (31, 8735630), (38, 7126435), (46, 5887055), (62, 4367815), (95, 2850574), (115, 2354822), (155, 1747126), (190, 1425287), (230, 1177411), (310, 873563), (437, 619690), (589, 459770), (713, 379810), (874, 309845), (1178, 229885), (1426, 189905), (1999, 135470), (2185, 123938), (2945, 91954), (3565, 75962), (3998, 67735), (4370, 61969), (5890, 45977), (7130, 37981), (9995, 27094), (13547, 19990)]