29280440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{14939}}^1$

素因数の和:14964

約数の個数: 48

約数和(自身を含む): 76642200

約数和(自身を除く): 47361760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 14939, 29878, 59756, 74695, 104573, 119512, 149390, 209146, 298780, 418292, 522865, 597560, 732011, 836584, 1045730, 1464022, 2091460, 2928044, 3660055, 4182920, 5856088, 7320110, 14640220, 29280440]

約数ペア:

[(1, 29280440), (2, 14640220), (4, 7320110), (5, 5856088), (7, 4182920), (8, 3660055), (10, 2928044), (14, 2091460), (20, 1464022), (28, 1045730), (35, 836584), (40, 732011), (49, 597560), (56, 522865), (70, 418292), (98, 298780), (140, 209146), (196, 149390), (245, 119512), (280, 104573), (392, 74695), (490, 59756), (980, 29878), (1960, 14939)]