29705480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{383}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 76861440

約数和(自身を除く): 47155960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 277, 280, 383, 554, 766, 1108, 1385, 1532, 1915, 1939, 2216, 2681, 2770, 3064, 3830, 3878, 5362, 5540, 7660, 7756, 9695, 10724, 11080, 13405, 15320, 15512, 19390, 21448, 26810, 38780, 53620, 77560, 106091, 107240, 212182, 424364, 530455, 742637, 848728, 1060910, 1485274, 2121820, 2970548, 3713185, 4243640, 5941096, 7426370, 14852740, 29705480]

約数ペア:

[(1, 29705480), (2, 14852740), (4, 7426370), (5, 5941096), (7, 4243640), (8, 3713185), (10, 2970548), (14, 2121820), (20, 1485274), (28, 1060910), (35, 848728), (40, 742637), (56, 530455), (70, 424364), (140, 212182), (277, 107240), (280, 106091), (383, 77560), (554, 53620), (766, 38780), (1108, 26810), (1385, 21448), (1532, 19390), (1915, 15512), (1939, 15320), (2216, 13405), (2681, 11080), (2770, 10724), (3064, 9695), (3830, 7756), (3878, 7660), (5362, 5540)]