254049280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{29}}^2\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 132

約数和(自身を含む): 641857320

約数和(自身を除く): 387808040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 59, 64, 80, 116, 118, 128, 145, 160, 232, 236, 256, 290, 295, 320, 464, 472, 512, 580, 590, 640, 841, 928, 944, 1024, 1160, 1180, 1280, 1682, 1711, 1856, 1888, 2320, 2360, 2560, 3364, 3422, 3712, 3776, 4205, 4640, 4720, 5120, 6728, 6844, 7424, 7552, 8410, 8555, 9280, 9440, 13456, 13688, 14848, 15104, 16820, 17110, 18560, 18880, 26912, 27376, 29696, 30208, 33640, 34220, 37120, 37760, 49619, 53824, 54752, 60416, 67280, 68440, 74240, 75520, 99238, 107648, 109504, 134560, 136880, 148480, 151040, 198476, 215296, 219008, 248095, 269120, 273760, 302080, 396952, 430592, 438016, 496190, 538240, 547520, 793904, 861184, 876032, 992380, 1076480, 1095040, 1587808, 1752064, 1984760, 2152960, 2190080, 3175616, 3969520, 4305920, 4380160, 6351232, 7939040, 8760320, 12702464, 15878080, 25404928, 31756160, 50809856, 63512320, 127024640, 254049280]

約数ペア:

[(1, 254049280), (2, 127024640), (4, 63512320), (5, 50809856), (8, 31756160), (10, 25404928), (16, 15878080), (20, 12702464), (29, 8760320), (32, 7939040), (40, 6351232), (58, 4380160), (59, 4305920), (64, 3969520), (80, 3175616), (116, 2190080), (118, 2152960), (128, 1984760), (145, 1752064), (160, 1587808), (232, 1095040), (236, 1076480), (256, 992380), (290, 876032), (295, 861184), (320, 793904), (464, 547520), (472, 538240), (512, 496190), (580, 438016), (590, 430592), (640, 396952), (841, 302080), (928, 273760), (944, 269120), (1024, 248095), (1160, 219008), (1180, 215296), (1280, 198476), (1682, 151040), (1711, 148480), (1856, 136880), (1888, 134560), (2320, 109504), (2360, 107648), (2560, 99238), (3364, 75520), (3422, 74240), (3712, 68440), (3776, 67280), (4205, 60416), (4640, 54752), (4720, 53824), (5120, 49619), (6728, 37760), (6844, 37120), (7424, 34220), (7552, 33640), (8410, 30208), (8555, 29696), (9280, 27376), (9440, 26912), (13456, 18880), (13688, 18560), (14848, 17110), (15104, 16820)]