149360680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1069}}^1$

素因数の和:1586

約数の個数: 64

約数和(自身を含む): 385200000

約数和(自身を除く): 235839320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 499, 998, 1069, 1996, 2138, 2495, 3493, 3992, 4276, 4990, 5345, 6986, 7483, 8552, 9980, 10690, 13972, 14966, 17465, 19960, 21380, 27944, 29932, 34930, 37415, 42760, 59864, 69860, 74830, 139720, 149660, 299320, 533431, 1066862, 2133724, 2667155, 3734017, 4267448, 5334310, 7468034, 10668620, 14936068, 18670085, 21337240, 29872136, 37340170, 74680340, 149360680]

約数ペア:

[(1, 149360680), (2, 74680340), (4, 37340170), (5, 29872136), (7, 21337240), (8, 18670085), (10, 14936068), (14, 10668620), (20, 7468034), (28, 5334310), (35, 4267448), (40, 3734017), (56, 2667155), (70, 2133724), (140, 1066862), (280, 533431), (499, 299320), (998, 149660), (1069, 139720), (1996, 74830), (2138, 69860), (2495, 59864), (3493, 42760), (3992, 37415), (4276, 34930), (4990, 29932), (5345, 27944), (6986, 21380), (7483, 19960), (8552, 17465), (9980, 14966), (10690, 13972)]