29966440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15289}}^1$

素因数の和:15314

約数の個数: 48

約数和(自身を含む): 78437700

約数和(自身を除く): 48471260

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, 15289, 30578, 61156, 76445, 107023, 122312, 152890, 214046, 305780, 428092, 535115, 611560, 749161, 856184, 1070230, 1498322, 2140460, 2996644, 3745805, 4280920, 5993288, 7491610, 14983220, 29966440]

約数ペア:

[(1, 29966440), (2, 14983220), (4, 7491610), (5, 5993288), (7, 4280920), (8, 3745805), (10, 2996644), (14, 2140460), (20, 1498322), (28, 1070230), (35, 856184), (40, 749161), (49, 611560), (56, 535115), (70, 428092), (98, 305780), (140, 214046), (196, 152890), (245, 122312), (280, 107023), (392, 76445), (490, 61156), (980, 30578), (1960, 15289)]