43661620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1291}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 97675200

約数和(自身を除く): 54013580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1291, 1691, 1780, 2582, 3382, 5164, 6455, 6764, 8455, 12910, 16910, 24529, 25820, 33820, 49058, 98116, 114899, 122645, 229798, 245290, 459596, 490580, 574495, 1148990, 2183081, 2297980, 4366162, 8732324, 10915405, 21830810, 43661620]

約数ペア:

[(1, 43661620), (2, 21830810), (4, 10915405), (5, 8732324), (10, 4366162), (19, 2297980), (20, 2183081), (38, 1148990), (76, 574495), (89, 490580), (95, 459596), (178, 245290), (190, 229798), (356, 122645), (380, 114899), (445, 98116), (890, 49058), (1291, 33820), (1691, 25820), (1780, 24529), (2582, 16910), (3382, 12910), (5164, 8455), (6455, 6764)]