6401780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4157}}^1$

素因数の和:4184

約数の個数: 48

約数和(自身を含む): 16765056

約数和(自身を除く): 10363276

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 4157, 8314, 16628, 20785, 29099, 41570, 45727, 58198, 83140, 91454, 116396, 145495, 182908, 228635, 290990, 320089, 457270, 581980, 640178, 914540, 1280356, 1600445, 3200890, 6401780]

約数ペア:

[(1, 6401780), (2, 3200890), (4, 1600445), (5, 1280356), (7, 914540), (10, 640178), (11, 581980), (14, 457270), (20, 320089), (22, 290990), (28, 228635), (35, 182908), (44, 145495), (55, 116396), (70, 91454), (77, 83140), (110, 58198), (140, 45727), (154, 41570), (220, 29099), (308, 20785), (385, 16628), (770, 8314), (1540, 4157)]