4294840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 10834560

約数和(自身を除く): 6539720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 227, 344, 430, 440, 454, 473, 860, 908, 946, 1135, 1720, 1816, 1892, 2270, 2365, 2497, 3784, 4540, 4730, 4994, 9080, 9460, 9761, 9988, 12485, 18920, 19522, 19976, 24970, 39044, 48805, 49940, 78088, 97610, 99880, 107371, 195220, 214742, 390440, 429484, 536855, 858968, 1073710, 2147420, 4294840]

約数ペア:

[(1, 4294840), (2, 2147420), (4, 1073710), (5, 858968), (8, 536855), (10, 429484), (11, 390440), (20, 214742), (22, 195220), (40, 107371), (43, 99880), (44, 97610), (55, 78088), (86, 49940), (88, 48805), (110, 39044), (172, 24970), (215, 19976), (220, 19522), (227, 18920), (344, 12485), (430, 9988), (440, 9761), (454, 9460), (473, 9080), (860, 4994), (908, 4730), (946, 4540), (1135, 3784), (1720, 2497), (1816, 2365), (1892, 2270)]