203421890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{126349}}^1$

素因数の和:126386

約数の個数: 32

約数和(自身を含む): 436665600

約数和(自身を除く): 233243710

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 126349, 252698, 631745, 884443, 1263490, 1768886, 2906027, 4422215, 5812054, 8844430, 14530135, 20342189, 29060270, 40684378, 101710945, 203421890]

約数ペア:

[(1, 203421890), (2, 101710945), (5, 40684378), (7, 29060270), (10, 20342189), (14, 14530135), (23, 8844430), (35, 5812054), (46, 4422215), (70, 2906027), (115, 1768886), (161, 1263490), (230, 884443), (322, 631745), (805, 252698), (1610, 126349)]