256514608

素因数分解:

$2^4\times 7^3\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1159

約数の個数: 80

約数和(自身を含む): 593612800

約数和(自身を除く): 337098192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 49, 56, 86, 98, 112, 172, 196, 301, 343, 344, 392, 602, 686, 688, 784, 1087, 1204, 1372, 2107, 2174, 2408, 2744, 4214, 4348, 4816, 5488, 7609, 8428, 8696, 14749, 15218, 16856, 17392, 29498, 30436, 33712, 46741, 53263, 58996, 60872, 93482, 106526, 117992, 121744, 186964, 213052, 235984, 327187, 372841, 373928, 426104, 654374, 745682, 747856, 852208, 1308748, 1491364, 2290309, 2617496, 2982728, 4580618, 5234992, 5965456, 9161236, 16032163, 18322472, 32064326, 36644944, 64128652, 128257304, 256514608]

約数ペア:

[(1, 256514608), (2, 128257304), (4, 64128652), (7, 36644944), (8, 32064326), (14, 18322472), (16, 16032163), (28, 9161236), (43, 5965456), (49, 5234992), (56, 4580618), (86, 2982728), (98, 2617496), (112, 2290309), (172, 1491364), (196, 1308748), (301, 852208), (343, 747856), (344, 745682), (392, 654374), (602, 426104), (686, 373928), (688, 372841), (784, 327187), (1087, 235984), (1204, 213052), (1372, 186964), (2107, 121744), (2174, 117992), (2408, 106526), (2744, 93482), (4214, 60872), (4348, 58996), (4816, 53263), (5488, 46741), (7609, 33712), (8428, 30436), (8696, 29498), (14749, 17392), (15218, 16856)]