140957440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 373953888

約数和(自身を除く): 232996448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 128, 130, 160, 172, 197, 208, 215, 256, 260, 320, 344, 394, 416, 430, 520, 559, 640, 688, 788, 832, 860, 985, 1040, 1118, 1280, 1376, 1576, 1664, 1720, 1970, 2080, 2236, 2561, 2752, 2795, 3152, 3328, 3440, 3940, 4160, 4472, 5122, 5504, 5590, 6304, 6880, 7880, 8320, 8471, 8944, 10244, 11008, 11180, 12608, 12805, 13760, 15760, 16640, 16942, 17888, 20488, 22360, 25216, 25610, 27520, 31520, 33884, 35776, 40976, 42355, 44720, 50432, 51220, 55040, 63040, 67768, 71552, 81952, 84710, 89440, 102440, 110123, 126080, 135536, 143104, 163904, 169420, 178880, 204880, 220246, 252160, 271072, 327808, 338840, 357760, 409760, 440492, 542144, 550615, 655616, 677680, 715520, 819520, 880984, 1084288, 1101230, 1355360, 1639040, 1761968, 2168576, 2202460, 2710720, 3278080, 3523936, 4404920, 5421440, 7047872, 8809840, 10842880, 14095744, 17619680, 28191488, 35239360, 70478720, 140957440]

約数ペア:

[(1, 140957440), (2, 70478720), (4, 35239360), (5, 28191488), (8, 17619680), (10, 14095744), (13, 10842880), (16, 8809840), (20, 7047872), (26, 5421440), (32, 4404920), (40, 3523936), (43, 3278080), (52, 2710720), (64, 2202460), (65, 2168576), (80, 1761968), (86, 1639040), (104, 1355360), (128, 1101230), (130, 1084288), (160, 880984), (172, 819520), (197, 715520), (208, 677680), (215, 655616), (256, 550615), (260, 542144), (320, 440492), (344, 409760), (394, 357760), (416, 338840), (430, 327808), (520, 271072), (559, 252160), (640, 220246), (688, 204880), (788, 178880), (832, 169420), (860, 163904), (985, 143104), (1040, 135536), (1118, 126080), (1280, 110123), (1376, 102440), (1576, 89440), (1664, 84710), (1720, 81952), (1970, 71552), (2080, 67768), (2236, 63040), (2561, 55040), (2752, 51220), (2795, 50432), (3152, 44720), (3328, 42355), (3440, 40976), (3940, 35776), (4160, 33884), (4472, 31520), (5122, 27520), (5504, 25610), (5590, 25216), (6304, 22360), (6880, 20488), (7880, 17888), (8320, 16942), (8471, 16640), (8944, 15760), (10244, 13760), (11008, 12805), (11180, 12608)]