129783920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4931}}^1$

素因数の和:4998

約数の個数: 80

約数和(自身を含む): 352263168

約数和(自身を除く): 222479248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 3290, 3760, 4931, 5264, 6580, 9862, 13160, 19724, 24655, 26320, 34517, 39448, 49310, 69034, 78896, 98620, 138068, 172585, 197240, 231757, 276136, 345170, 394480, 463514, 552272, 690340, 927028, 1158785, 1380680, 1622299, 1854056, 2317570, 2761360, 3244598, 3708112, 4635140, 6489196, 8111495, 9270280, 12978392, 16222990, 18540560, 25956784, 32445980, 64891960, 129783920]

約数ペア:

[(1, 129783920), (2, 64891960), (4, 32445980), (5, 25956784), (7, 18540560), (8, 16222990), (10, 12978392), (14, 9270280), (16, 8111495), (20, 6489196), (28, 4635140), (35, 3708112), (40, 3244598), (47, 2761360), (56, 2317570), (70, 1854056), (80, 1622299), (94, 1380680), (112, 1158785), (140, 927028), (188, 690340), (235, 552272), (280, 463514), (329, 394480), (376, 345170), (470, 276136), (560, 231757), (658, 197240), (752, 172585), (940, 138068), (1316, 98620), (1645, 78896), (1880, 69034), (2632, 49310), (3290, 39448), (3760, 34517), (4931, 26320), (5264, 24655), (6580, 19724), (9862, 13160)]