394485280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{751}}^1$

素因数の和:847

約数の個数: 144

約数和(自身を含む): 1101776256

約数和(自身を除く): 707290976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 67, 70, 80, 98, 112, 134, 140, 160, 196, 224, 245, 268, 280, 335, 392, 469, 490, 536, 560, 670, 751, 784, 938, 980, 1072, 1120, 1340, 1502, 1568, 1876, 1960, 2144, 2345, 2680, 3004, 3283, 3752, 3755, 3920, 4690, 5257, 5360, 6008, 6566, 7504, 7510, 7840, 9380, 10514, 10720, 12016, 13132, 15008, 15020, 16415, 18760, 21028, 24032, 26264, 26285, 30040, 32830, 36799, 37520, 42056, 50317, 52528, 52570, 60080, 65660, 73598, 75040, 84112, 100634, 105056, 105140, 120160, 131320, 147196, 168224, 183995, 201268, 210280, 251585, 262640, 294392, 352219, 367990, 402536, 420560, 503170, 525280, 588784, 704438, 735980, 805072, 841120, 1006340, 1177568, 1408876, 1471960, 1610144, 1761095, 2012680, 2465533, 2817752, 2943920, 3522190, 4025360, 4931066, 5635504, 5887840, 7044380, 8050720, 9862132, 11271008, 12327665, 14088760, 19724264, 24655330, 28177520, 39448528, 49310660, 56355040, 78897056, 98621320, 197242640, 394485280]

約数ペア:

[(1, 394485280), (2, 197242640), (4, 98621320), (5, 78897056), (7, 56355040), (8, 49310660), (10, 39448528), (14, 28177520), (16, 24655330), (20, 19724264), (28, 14088760), (32, 12327665), (35, 11271008), (40, 9862132), (49, 8050720), (56, 7044380), (67, 5887840), (70, 5635504), (80, 4931066), (98, 4025360), (112, 3522190), (134, 2943920), (140, 2817752), (160, 2465533), (196, 2012680), (224, 1761095), (245, 1610144), (268, 1471960), (280, 1408876), (335, 1177568), (392, 1006340), (469, 841120), (490, 805072), (536, 735980), (560, 704438), (670, 588784), (751, 525280), (784, 503170), (938, 420560), (980, 402536), (1072, 367990), (1120, 352219), (1340, 294392), (1502, 262640), (1568, 251585), (1876, 210280), (1960, 201268), (2144, 183995), (2345, 168224), (2680, 147196), (3004, 131320), (3283, 120160), (3752, 105140), (3755, 105056), (3920, 100634), (4690, 84112), (5257, 75040), (5360, 73598), (6008, 65660), (6566, 60080), (7504, 52570), (7510, 52528), (7840, 50317), (9380, 42056), (10514, 37520), (10720, 36799), (12016, 32830), (13132, 30040), (15008, 26285), (15020, 26264), (16415, 24032), (18760, 21028)]