220870160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{394411}}^1$

素因数の和:394431

約数の個数: 40

約数和(自身を含む): 586885056

約数和(自身を除く): 366014896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 394411, 788822, 1577644, 1972055, 2760877, 3155288, 3944110, 5521754, 6310576, 7888220, 11043508, 13804385, 15776440, 22087016, 27608770, 31552880, 44174032, 55217540, 110435080, 220870160]

約数ペア:

[(1, 220870160), (2, 110435080), (4, 55217540), (5, 44174032), (7, 31552880), (8, 27608770), (10, 22087016), (14, 15776440), (16, 13804385), (20, 11043508), (28, 7888220), (35, 6310576), (40, 5521754), (56, 3944110), (70, 3155288), (80, 2760877), (112, 1972055), (140, 1577644), (280, 788822), (560, 394411)]