394481640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1871}}^1$

素因数の和:2143

約数の個数: 128

約数和(自身を含む): 1358622720

約数和(自身を除く): 964141080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 251, 280, 420, 502, 753, 840, 1004, 1255, 1506, 1757, 1871, 2008, 2510, 3012, 3514, 3742, 3765, 5020, 5271, 5613, 6024, 7028, 7484, 7530, 8785, 9355, 10040, 10542, 11226, 13097, 14056, 14968, 15060, 17570, 18710, 21084, 22452, 26194, 26355, 28065, 30120, 35140, 37420, 39291, 42168, 44904, 52388, 52710, 56130, 65485, 70280, 74840, 78582, 104776, 105420, 112260, 130970, 157164, 196455, 210840, 224520, 261940, 314328, 392910, 469621, 523880, 785820, 939242, 1408863, 1571640, 1878484, 2348105, 2817726, 3287347, 3756968, 4696210, 5635452, 6574694, 7044315, 9392420, 9862041, 11270904, 13149388, 14088630, 16436735, 18784840, 19724082, 26298776, 28177260, 32873470, 39448164, 49310205, 56354520, 65746940, 78896328, 98620410, 131493880, 197240820, 394481640]

約数ペア:

[(1, 394481640), (2, 197240820), (3, 131493880), (4, 98620410), (5, 78896328), (6, 65746940), (7, 56354520), (8, 49310205), (10, 39448164), (12, 32873470), (14, 28177260), (15, 26298776), (20, 19724082), (21, 18784840), (24, 16436735), (28, 14088630), (30, 13149388), (35, 11270904), (40, 9862041), (42, 9392420), (56, 7044315), (60, 6574694), (70, 5635452), (84, 4696210), (105, 3756968), (120, 3287347), (140, 2817726), (168, 2348105), (210, 1878484), (251, 1571640), (280, 1408863), (420, 939242), (502, 785820), (753, 523880), (840, 469621), (1004, 392910), (1255, 314328), (1506, 261940), (1757, 224520), (1871, 210840), (2008, 196455), (2510, 157164), (3012, 130970), (3514, 112260), (3742, 105420), (3765, 104776), (5020, 78582), (5271, 74840), (5613, 70280), (6024, 65485), (7028, 56130), (7484, 52710), (7530, 52388), (8785, 44904), (9355, 42168), (10040, 39291), (10542, 37420), (11226, 35140), (13097, 30120), (14056, 28065), (14968, 26355), (15060, 26194), (17570, 22452), (18710, 21084)]