256361072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2473}}^1$

素因数の和:2542

約数の個数: 80

約数和(自身を含む): 589009920

約数和(自身を除く): 332648848

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 38, 44, 62, 76, 88, 124, 152, 176, 209, 248, 304, 341, 418, 496, 589, 682, 836, 1178, 1364, 1672, 2356, 2473, 2728, 3344, 4712, 4946, 5456, 6479, 9424, 9892, 12958, 19784, 25916, 27203, 39568, 46987, 51832, 54406, 76663, 93974, 103664, 108812, 153326, 187948, 217624, 306652, 375896, 435248, 516857, 613304, 751792, 843293, 1033714, 1226608, 1456597, 1686586, 2067428, 2913194, 3373172, 4134856, 5826388, 6746344, 8269712, 11652776, 13492688, 16022567, 23305552, 32045134, 64090268, 128180536, 256361072]

約数ペア:

[(1, 256361072), (2, 128180536), (4, 64090268), (8, 32045134), (11, 23305552), (16, 16022567), (19, 13492688), (22, 11652776), (31, 8269712), (38, 6746344), (44, 5826388), (62, 4134856), (76, 3373172), (88, 2913194), (124, 2067428), (152, 1686586), (176, 1456597), (209, 1226608), (248, 1033714), (304, 843293), (341, 751792), (418, 613304), (496, 516857), (589, 435248), (682, 375896), (836, 306652), (1178, 217624), (1364, 187948), (1672, 153326), (2356, 108812), (2473, 103664), (2728, 93974), (3344, 76663), (4712, 54406), (4946, 51832), (5456, 46987), (6479, 39568), (9424, 27203), (9892, 25916), (12958, 19784)]