2178892520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{189799}}^1$

素因数の和:189858

約数の個数: 64

約数和(自身を含む): 5739552000

約数和(自身を除く): 3560659480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11480, 189799, 379598, 759196, 948995, 1328593, 1518392, 1897990, 2657186, 3795980, 5314372, 6642965, 7591960, 7781759, 10628744, 13285930, 15563518, 26571860, 31127036, 38908795, 53143720, 54472313, 62254072, 77817590, 108944626, 155635180, 217889252, 272361565, 311270360, 435778504, 544723130, 1089446260, 2178892520]

約数ペア:

[(1, 2178892520), (2, 1089446260), (4, 544723130), (5, 435778504), (7, 311270360), (8, 272361565), (10, 217889252), (14, 155635180), (20, 108944626), (28, 77817590), (35, 62254072), (40, 54472313), (41, 53143720), (56, 38908795), (70, 31127036), (82, 26571860), (140, 15563518), (164, 13285930), (205, 10628744), (280, 7781759), (287, 7591960), (328, 6642965), (410, 5314372), (574, 3795980), (820, 2657186), (1148, 1897990), (1435, 1518392), (1640, 1328593), (2296, 948995), (2870, 759196), (5740, 379598), (11480, 189799)]