259986944

素因数分解:

$2^9\times 7^2\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:316

約数の個数: 120

約数和(自身を含む): 620895528

約数和(自身を除く): 360908584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 64, 86, 98, 112, 128, 172, 196, 224, 241, 256, 301, 344, 392, 448, 482, 512, 602, 688, 784, 896, 964, 1204, 1376, 1568, 1687, 1792, 1928, 2107, 2408, 2752, 3136, 3374, 3584, 3856, 4214, 4816, 5504, 6272, 6748, 7712, 8428, 9632, 10363, 11008, 11809, 12544, 13496, 15424, 16856, 19264, 20726, 22016, 23618, 25088, 26992, 30848, 33712, 38528, 41452, 47236, 53984, 61696, 67424, 72541, 77056, 82904, 94472, 107968, 123392, 134848, 145082, 154112, 165808, 188944, 215936, 269696, 290164, 331616, 377888, 431872, 507787, 539392, 580328, 663232, 755776, 863744, 1015574, 1078784, 1160656, 1326464, 1511552, 2031148, 2321312, 2652928, 3023104, 4062296, 4642624, 5305856, 6046208, 8124592, 9285248, 16249184, 18570496, 32498368, 37140992, 64996736, 129993472, 259986944]

約数ペア:

[(1, 259986944), (2, 129993472), (4, 64996736), (7, 37140992), (8, 32498368), (14, 18570496), (16, 16249184), (28, 9285248), (32, 8124592), (43, 6046208), (49, 5305856), (56, 4642624), (64, 4062296), (86, 3023104), (98, 2652928), (112, 2321312), (128, 2031148), (172, 1511552), (196, 1326464), (224, 1160656), (241, 1078784), (256, 1015574), (301, 863744), (344, 755776), (392, 663232), (448, 580328), (482, 539392), (512, 507787), (602, 431872), (688, 377888), (784, 331616), (896, 290164), (964, 269696), (1204, 215936), (1376, 188944), (1568, 165808), (1687, 154112), (1792, 145082), (1928, 134848), (2107, 123392), (2408, 107968), (2752, 94472), (3136, 82904), (3374, 77056), (3584, 72541), (3856, 67424), (4214, 61696), (4816, 53984), (5504, 47236), (6272, 41452), (6748, 38528), (7712, 33712), (8428, 30848), (9632, 26992), (10363, 25088), (11008, 23618), (11809, 22016), (12544, 20726), (13496, 19264), (15424, 16856)]