820810364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1\times {\mathrm{919}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 1602478080

約数和(自身を除く): 781667716

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 383, 583, 766, 919, 1166, 1532, 1838, 2332, 3676, 4213, 8426, 10109, 16852, 20218, 20299, 40436, 40598, 48707, 81196, 97414, 194828, 223289, 351977, 446578, 535777, 703954, 893156, 1071554, 1407908, 2143108, 3871747, 7743494, 15486988, 18654781, 37309562, 74619124, 205202591, 410405182, 820810364]

約数ペア:

[(1, 820810364), (2, 410405182), (4, 205202591), (11, 74619124), (22, 37309562), (44, 18654781), (53, 15486988), (106, 7743494), (212, 3871747), (383, 2143108), (583, 1407908), (766, 1071554), (919, 893156), (1166, 703954), (1532, 535777), (1838, 446578), (2332, 351977), (3676, 223289), (4213, 194828), (8426, 97414), (10109, 81196), (16852, 48707), (20218, 40598), (20299, 40436)]