201251260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{7297}}^1$

素因数の和:7510

約数の個数: 48

約数和(自身を含む): 485521344

約数和(自身を除く): 284270084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5516, 6895, 7297, 13790, 14594, 27580, 29188, 36485, 51079, 72970, 102158, 145940, 204316, 255395, 510790, 1021580, 1437509, 2875018, 5750036, 7187545, 10062563, 14375090, 20125126, 28750180, 40250252, 50312815, 100625630, 201251260]

約数ペア:

[(1, 201251260), (2, 100625630), (4, 50312815), (5, 40250252), (7, 28750180), (10, 20125126), (14, 14375090), (20, 10062563), (28, 7187545), (35, 5750036), (70, 2875018), (140, 1437509), (197, 1021580), (394, 510790), (788, 255395), (985, 204316), (1379, 145940), (1970, 102158), (2758, 72970), (3940, 51079), (5516, 36485), (6895, 29188), (7297, 27580), (13790, 14594)]