178705072

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{883}}^1$

素因数の和:1050

約数の個数: 80

約数和(自身を含む): 429694720

約数和(自身を除く): 250989648

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 139, 182, 208, 278, 364, 556, 728, 883, 973, 1112, 1456, 1766, 1807, 1946, 2224, 3532, 3614, 3892, 6181, 7064, 7228, 7784, 11479, 12362, 12649, 14128, 14456, 15568, 22958, 24724, 25298, 28912, 45916, 49448, 50596, 80353, 91832, 98896, 101192, 122737, 160706, 183664, 202384, 245474, 321412, 490948, 642824, 859159, 981896, 1285648, 1595581, 1718318, 1963792, 3191162, 3436636, 6382324, 6873272, 11169067, 12764648, 13746544, 22338134, 25529296, 44676268, 89352536, 178705072]

約数ペア:

[(1, 178705072), (2, 89352536), (4, 44676268), (7, 25529296), (8, 22338134), (13, 13746544), (14, 12764648), (16, 11169067), (26, 6873272), (28, 6382324), (52, 3436636), (56, 3191162), (91, 1963792), (104, 1718318), (112, 1595581), (139, 1285648), (182, 981896), (208, 859159), (278, 642824), (364, 490948), (556, 321412), (728, 245474), (883, 202384), (973, 183664), (1112, 160706), (1456, 122737), (1766, 101192), (1807, 98896), (1946, 91832), (2224, 80353), (3532, 50596), (3614, 49448), (3892, 45916), (6181, 28912), (7064, 25298), (7228, 24724), (7784, 22958), (11479, 15568), (12362, 14456), (12649, 14128)]