277599680

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^2\times {\mathrm{139}}^1$

素因数の和:314

約数の個数: 84

約数和(自身を含む): 674324280

約数和(自身を除く): 396724600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 139, 158, 160, 278, 316, 320, 395, 556, 632, 695, 790, 1112, 1264, 1390, 1580, 2224, 2528, 2780, 3160, 4448, 5056, 5560, 6241, 6320, 8896, 10981, 11120, 12482, 12640, 21962, 22240, 24964, 25280, 31205, 43924, 44480, 49928, 54905, 62410, 87848, 99856, 109810, 124820, 175696, 199712, 219620, 249640, 351392, 399424, 439240, 499280, 702784, 867499, 878480, 998560, 1734998, 1756960, 1997120, 3469996, 3513920, 4337495, 6939992, 8674990, 13879984, 17349980, 27759968, 34699960, 55519936, 69399920, 138799840, 277599680]

約数ペア:

[(1, 277599680), (2, 138799840), (4, 69399920), (5, 55519936), (8, 34699960), (10, 27759968), (16, 17349980), (20, 13879984), (32, 8674990), (40, 6939992), (64, 4337495), (79, 3513920), (80, 3469996), (139, 1997120), (158, 1756960), (160, 1734998), (278, 998560), (316, 878480), (320, 867499), (395, 702784), (556, 499280), (632, 439240), (695, 399424), (790, 351392), (1112, 249640), (1264, 219620), (1390, 199712), (1580, 175696), (2224, 124820), (2528, 109810), (2780, 99856), (3160, 87848), (4448, 62410), (5056, 54905), (5560, 49928), (6241, 44480), (6320, 43924), (8896, 31205), (10981, 25280), (11120, 24964), (12482, 22240), (12640, 21962)]