144807920

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{10463}}^1$

素因数の和:10649

約数の個数: 40

約数和(自身を含む): 338656896

約数和(自身を除く): 193848976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 6920, 10463, 13840, 20926, 41852, 52315, 83704, 104630, 167408, 209260, 418520, 837040, 1810099, 3620198, 7240396, 9050495, 14480792, 18100990, 28961584, 36201980, 72403960, 144807920]

約数ペア:

[(1, 144807920), (2, 72403960), (4, 36201980), (5, 28961584), (8, 18100990), (10, 14480792), (16, 9050495), (20, 7240396), (40, 3620198), (80, 1810099), (173, 837040), (346, 418520), (692, 209260), (865, 167408), (1384, 104630), (1730, 83704), (2768, 52315), (3460, 41852), (6920, 20926), (10463, 13840)]