121690870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 259459200

約数和(自身を除く): 137768330

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 109, 205, 218, 287, 389, 410, 545, 574, 763, 778, 1090, 1435, 1526, 1945, 2723, 2870, 3815, 3890, 4469, 5446, 7630, 8938, 13615, 15949, 22345, 27230, 31283, 31898, 42401, 44690, 62566, 79745, 84802, 111643, 156415, 159490, 212005, 223286, 296807, 312830, 424010, 558215, 593614, 1116430, 1484035, 1738441, 2968070, 3476882, 8692205, 12169087, 17384410, 24338174, 60845435, 121690870]

約数ペア:

[(1, 121690870), (2, 60845435), (5, 24338174), (7, 17384410), (10, 12169087), (14, 8692205), (35, 3476882), (41, 2968070), (70, 1738441), (82, 1484035), (109, 1116430), (205, 593614), (218, 558215), (287, 424010), (389, 312830), (410, 296807), (545, 223286), (574, 212005), (763, 159490), (778, 156415), (1090, 111643), (1435, 84802), (1526, 79745), (1945, 62566), (2723, 44690), (2870, 42401), (3815, 31898), (3890, 31283), (4469, 27230), (5446, 22345), (7630, 15949), (8938, 13615)]