197778560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:494

約数の個数: 128

約数和(自身を含む): 546099840

約数和(自身を除く): 348321280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 131, 140, 160, 224, 262, 280, 320, 337, 448, 524, 560, 640, 655, 674, 896, 917, 1048, 1120, 1310, 1348, 1685, 1834, 2096, 2240, 2359, 2620, 2696, 3370, 3668, 4192, 4480, 4585, 4718, 5240, 5392, 6740, 7336, 8384, 9170, 9436, 10480, 10784, 11795, 13480, 14672, 16768, 18340, 18872, 20960, 21568, 23590, 26960, 29344, 36680, 37744, 41920, 43136, 44147, 47180, 53920, 58688, 73360, 75488, 83840, 88294, 94360, 107840, 117376, 146720, 150976, 176588, 188720, 215680, 220735, 293440, 301952, 309029, 353176, 377440, 441470, 586880, 618058, 706352, 754880, 882940, 1236116, 1412704, 1509760, 1545145, 1765880, 2472232, 2825408, 3090290, 3531760, 4944464, 5650816, 6180580, 7063520, 9888928, 12361160, 14127040, 19777856, 24722320, 28254080, 39555712, 49444640, 98889280, 197778560]

約数ペア:

[(1, 197778560), (2, 98889280), (4, 49444640), (5, 39555712), (7, 28254080), (8, 24722320), (10, 19777856), (14, 14127040), (16, 12361160), (20, 9888928), (28, 7063520), (32, 6180580), (35, 5650816), (40, 4944464), (56, 3531760), (64, 3090290), (70, 2825408), (80, 2472232), (112, 1765880), (128, 1545145), (131, 1509760), (140, 1412704), (160, 1236116), (224, 882940), (262, 754880), (280, 706352), (320, 618058), (337, 586880), (448, 441470), (524, 377440), (560, 353176), (640, 309029), (655, 301952), (674, 293440), (896, 220735), (917, 215680), (1048, 188720), (1120, 176588), (1310, 150976), (1348, 146720), (1685, 117376), (1834, 107840), (2096, 94360), (2240, 88294), (2359, 83840), (2620, 75488), (2696, 73360), (3370, 58688), (3668, 53920), (4192, 47180), (4480, 44147), (4585, 43136), (4718, 41920), (5240, 37744), (5392, 36680), (6740, 29344), (7336, 26960), (8384, 23590), (9170, 21568), (9436, 20960), (10480, 18872), (10784, 18340), (11795, 16768), (13480, 14672)]