212618980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1518707}}^1$

素因数の和:1518723

約数の個数: 24

約数和(自身を含む): 510285888

約数和(自身を除く): 297666908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1518707, 3037414, 6074828, 7593535, 10630949, 15187070, 21261898, 30374140, 42523796, 53154745, 106309490, 212618980]

約数ペア:

[(1, 212618980), (2, 106309490), (4, 53154745), (5, 42523796), (7, 30374140), (10, 21261898), (14, 15187070), (20, 10630949), (28, 7593535), (35, 6074828), (70, 3037414), (140, 1518707)]