4378520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 10730880

約数和(自身を除く): 6352360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 137, 170, 188, 235, 274, 340, 376, 470, 548, 680, 685, 799, 940, 1096, 1370, 1598, 1880, 2329, 2740, 3196, 3995, 4658, 5480, 6392, 6439, 7990, 9316, 11645, 12878, 15980, 18632, 23290, 25756, 31960, 32195, 46580, 51512, 64390, 93160, 109463, 128780, 218926, 257560, 437852, 547315, 875704, 1094630, 2189260, 4378520]

約数ペア:

[(1, 4378520), (2, 2189260), (4, 1094630), (5, 875704), (8, 547315), (10, 437852), (17, 257560), (20, 218926), (34, 128780), (40, 109463), (47, 93160), (68, 64390), (85, 51512), (94, 46580), (136, 32195), (137, 31960), (170, 25756), (188, 23290), (235, 18632), (274, 15980), (340, 12878), (376, 11645), (470, 9316), (548, 7990), (680, 6439), (685, 6392), (799, 5480), (940, 4658), (1096, 3995), (1370, 3196), (1598, 2740), (1880, 2329)]