216783920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1123}}^1$

素因数の和:1282

約数の個数: 80

約数和(自身を含む): 535203840

約数和(自身を除く): 318419920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 127, 152, 190, 254, 304, 380, 508, 635, 760, 1016, 1123, 1270, 1520, 2032, 2246, 2413, 2540, 4492, 4826, 5080, 5615, 8984, 9652, 10160, 11230, 12065, 17968, 19304, 21337, 22460, 24130, 38608, 42674, 44920, 48260, 85348, 89840, 96520, 106685, 142621, 170696, 193040, 213370, 285242, 341392, 426740, 570484, 713105, 853480, 1140968, 1426210, 1706960, 2281936, 2709799, 2852420, 5419598, 5704840, 10839196, 11409680, 13548995, 21678392, 27097990, 43356784, 54195980, 108391960, 216783920]

約数ペア:

[(1, 216783920), (2, 108391960), (4, 54195980), (5, 43356784), (8, 27097990), (10, 21678392), (16, 13548995), (19, 11409680), (20, 10839196), (38, 5704840), (40, 5419598), (76, 2852420), (80, 2709799), (95, 2281936), (127, 1706960), (152, 1426210), (190, 1140968), (254, 853480), (304, 713105), (380, 570484), (508, 426740), (635, 341392), (760, 285242), (1016, 213370), (1123, 193040), (1270, 170696), (1520, 142621), (2032, 106685), (2246, 96520), (2413, 89840), (2540, 85348), (4492, 48260), (4826, 44920), (5080, 42674), (5615, 38608), (8984, 24130), (9652, 22460), (10160, 21337), (11230, 19304), (12065, 17968)]