208399360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:170

約数の個数: 176

約数和(自身を含む): 561238272

約数和(自身を除く): 352838912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 101, 104, 124, 128, 130, 155, 160, 202, 208, 248, 256, 260, 310, 320, 403, 404, 416, 496, 505, 512, 520, 620, 640, 806, 808, 832, 992, 1010, 1024, 1040, 1240, 1280, 1313, 1612, 1616, 1664, 1984, 2015, 2020, 2080, 2480, 2560, 2626, 3131, 3224, 3232, 3328, 3968, 4030, 4040, 4160, 4960, 5120, 5252, 6262, 6448, 6464, 6565, 6656, 7936, 8060, 8080, 8320, 9920, 10504, 12524, 12896, 12928, 13130, 13312, 15655, 15872, 16120, 16160, 16640, 19840, 21008, 25048, 25792, 25856, 26260, 31310, 31744, 32240, 32320, 33280, 39680, 40703, 42016, 50096, 51584, 51712, 52520, 62620, 64480, 64640, 66560, 79360, 81406, 84032, 100192, 103168, 103424, 105040, 125240, 128960, 129280, 158720, 162812, 168064, 200384, 203515, 206336, 210080, 250480, 257920, 258560, 325624, 336128, 400768, 407030, 412672, 420160, 500960, 515840, 517120, 651248, 672256, 801536, 814060, 840320, 1001920, 1031680, 1302496, 1344512, 1603072, 1628120, 1680640, 2003840, 2063360, 2604992, 3206144, 3256240, 3361280, 4007680, 5209984, 6512480, 6722560, 8015360, 10419968, 13024960, 16030720, 20839936, 26049920, 41679872, 52099840, 104199680, 208399360]

約数ペア:

[(1, 208399360), (2, 104199680), (4, 52099840), (5, 41679872), (8, 26049920), (10, 20839936), (13, 16030720), (16, 13024960), (20, 10419968), (26, 8015360), (31, 6722560), (32, 6512480), (40, 5209984), (52, 4007680), (62, 3361280), (64, 3256240), (65, 3206144), (80, 2604992), (101, 2063360), (104, 2003840), (124, 1680640), (128, 1628120), (130, 1603072), (155, 1344512), (160, 1302496), (202, 1031680), (208, 1001920), (248, 840320), (256, 814060), (260, 801536), (310, 672256), (320, 651248), (403, 517120), (404, 515840), (416, 500960), (496, 420160), (505, 412672), (512, 407030), (520, 400768), (620, 336128), (640, 325624), (806, 258560), (808, 257920), (832, 250480), (992, 210080), (1010, 206336), (1024, 203515), (1040, 200384), (1240, 168064), (1280, 162812), (1313, 158720), (1612, 129280), (1616, 128960), (1664, 125240), (1984, 105040), (2015, 103424), (2020, 103168), (2080, 100192), (2480, 84032), (2560, 81406), (2626, 79360), (3131, 66560), (3224, 64640), (3232, 64480), (3328, 62620), (3968, 52520), (4030, 51712), (4040, 51584), (4160, 50096), (4960, 42016), (5120, 40703), (5252, 39680), (6262, 33280), (6448, 32320), (6464, 32240), (6565, 31744), (6656, 31310), (7936, 26260), (8060, 25856), (8080, 25792), (8320, 25048), (9920, 21008), (10504, 19840), (12524, 16640), (12896, 16160), (12928, 16120), (13130, 15872), (13312, 15655)]