257449290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1225949}}^1$

素因数の和:1225966

約数の個数: 32

約数和(自身を含む): 706147200

約数和(自身を除く): 448697910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1225949, 2451898, 3677847, 6129745, 7355694, 8581643, 12259490, 17163286, 18389235, 25744929, 36778470, 42908215, 51489858, 85816430, 128724645, 257449290]

約数ペア:

[(1, 257449290), (2, 128724645), (3, 85816430), (5, 51489858), (6, 42908215), (7, 36778470), (10, 25744929), (14, 18389235), (15, 17163286), (21, 12259490), (30, 8581643), (35, 7355694), (42, 6129745), (70, 3677847), (105, 2451898), (210, 1225949)]