149026640

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{5431}}^1$

素因数の和:5465

約数の個数: 80

約数和(自身を含む): 404140800

約数和(自身を除く): 255114160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5431, 5488, 6860, 10862, 13720, 21724, 27155, 27440, 38017, 43448, 54310, 76034, 86896, 108620, 152068, 190085, 217240, 266119, 304136, 380170, 434480, 532238, 608272, 760340, 1064476, 1330595, 1520680, 1862833, 2128952, 2661190, 3041360, 3725666, 4257904, 5322380, 7451332, 9314165, 10644760, 14902664, 18628330, 21289520, 29805328, 37256660, 74513320, 149026640]

約数ペア:

[(1, 149026640), (2, 74513320), (4, 37256660), (5, 29805328), (7, 21289520), (8, 18628330), (10, 14902664), (14, 10644760), (16, 9314165), (20, 7451332), (28, 5322380), (35, 4257904), (40, 3725666), (49, 3041360), (56, 2661190), (70, 2128952), (80, 1862833), (98, 1520680), (112, 1330595), (140, 1064476), (196, 760340), (245, 608272), (280, 532238), (343, 434480), (392, 380170), (490, 304136), (560, 266119), (686, 217240), (784, 190085), (980, 152068), (1372, 108620), (1715, 86896), (1960, 76034), (2744, 54310), (3430, 43448), (3920, 38017), (5431, 27440), (5488, 27155), (6860, 21724), (10862, 13720)]