123173680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{219953}}^1$

素因数の和:219973

約数の個数: 40

約数和(自身を含む): 327291552

約数和(自身を除く): 204117872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 219953, 439906, 879812, 1099765, 1539671, 1759624, 2199530, 3079342, 3519248, 4399060, 6158684, 7698355, 8798120, 12317368, 15396710, 17596240, 24634736, 30793420, 61586840, 123173680]

約数ペア:

[(1, 123173680), (2, 61586840), (4, 30793420), (5, 24634736), (7, 17596240), (8, 15396710), (10, 12317368), (14, 8798120), (16, 7698355), (20, 6158684), (28, 4399060), (35, 3519248), (40, 3079342), (56, 2199530), (70, 1759624), (80, 1539671), (112, 1099765), (140, 879812), (280, 439906), (560, 219953)]