178133020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{1373}}^1$

素因数の和:1894

約数の個数: 48

約数和(自身を含む): 403956000

約数和(自身を除く): 225822980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 499, 998, 1373, 1996, 2495, 2746, 4990, 5492, 6487, 6865, 9980, 12974, 13730, 17849, 25948, 27460, 32435, 35698, 64870, 71396, 89245, 129740, 178490, 356980, 685127, 1370254, 2740508, 3425635, 6851270, 8906651, 13702540, 17813302, 35626604, 44533255, 89066510, 178133020]

約数ペア:

[(1, 178133020), (2, 89066510), (4, 44533255), (5, 35626604), (10, 17813302), (13, 13702540), (20, 8906651), (26, 6851270), (52, 3425635), (65, 2740508), (130, 1370254), (260, 685127), (499, 356980), (998, 178490), (1373, 129740), (1996, 89245), (2495, 71396), (2746, 64870), (4990, 35698), (5492, 32435), (6487, 27460), (6865, 25948), (9980, 17849), (12974, 13730)]