11931780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{28409}}^1$

素因数の和:28428

約数の個数: 48

約数和(自身を含む): 38183040

約数和(自身を除く): 26251260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 28409, 56818, 85227, 113636, 142045, 170454, 198863, 284090, 340908, 397726, 426135, 568180, 596589, 795452, 852270, 994315, 1193178, 1704540, 1988630, 2386356, 2982945, 3977260, 5965890, 11931780]

約数ペア:

[(1, 11931780), (2, 5965890), (3, 3977260), (4, 2982945), (5, 2386356), (6, 1988630), (7, 1704540), (10, 1193178), (12, 994315), (14, 852270), (15, 795452), (20, 596589), (21, 568180), (28, 426135), (30, 397726), (35, 340908), (42, 284090), (60, 198863), (70, 170454), (84, 142045), (105, 113636), (140, 85227), (210, 56818), (420, 28409)]