77684540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2297}}^1$

素因数の和:2414

約数の個数: 48

約数和(自身を含む): 173728800

約数和(自身を除く): 96044260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 2297, 3382, 4594, 6764, 8455, 9188, 11485, 16910, 22970, 33820, 43643, 45940, 87286, 174572, 204433, 218215, 408866, 436430, 817732, 872860, 1022165, 2044330, 3884227, 4088660, 7768454, 15536908, 19421135, 38842270, 77684540]

約数ペア:

[(1, 77684540), (2, 38842270), (4, 19421135), (5, 15536908), (10, 7768454), (19, 4088660), (20, 3884227), (38, 2044330), (76, 1022165), (89, 872860), (95, 817732), (178, 436430), (190, 408866), (356, 218215), (380, 204433), (445, 174572), (890, 87286), (1691, 45940), (1780, 43643), (2297, 33820), (3382, 22970), (4594, 16910), (6764, 11485), (8455, 9188)]