319003888

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:846

約数の個数: 80

約数和(自身を含む): 735508480

約数和(自身を除く): 416504592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 139, 217, 248, 278, 434, 496, 556, 661, 868, 973, 1112, 1322, 1736, 1946, 2224, 2644, 3472, 3892, 4309, 4627, 5288, 7784, 8618, 9254, 10576, 15568, 17236, 18508, 20491, 30163, 34472, 37016, 40982, 60326, 68944, 74032, 81964, 91879, 120652, 143437, 163928, 183758, 241304, 286874, 327856, 367516, 482608, 573748, 643153, 735032, 1147496, 1286306, 1470064, 2294992, 2572612, 2848249, 5145224, 5696498, 10290448, 11392996, 19937743, 22785992, 39875486, 45571984, 79750972, 159501944, 319003888]

約数ペア:

[(1, 319003888), (2, 159501944), (4, 79750972), (7, 45571984), (8, 39875486), (14, 22785992), (16, 19937743), (28, 11392996), (31, 10290448), (56, 5696498), (62, 5145224), (112, 2848249), (124, 2572612), (139, 2294992), (217, 1470064), (248, 1286306), (278, 1147496), (434, 735032), (496, 643153), (556, 573748), (661, 482608), (868, 367516), (973, 327856), (1112, 286874), (1322, 241304), (1736, 183758), (1946, 163928), (2224, 143437), (2644, 120652), (3472, 91879), (3892, 81964), (4309, 74032), (4627, 68944), (5288, 60326), (7784, 40982), (8618, 37016), (9254, 34472), (10576, 30163), (15568, 20491), (17236, 18508)]