90720004

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 176198400

約数和(自身を除く): 85478396

約数列:

[1, 2, 4, 23, 29, 37, 46, 58, 74, 92, 116, 148, 667, 851, 919, 1073, 1334, 1702, 1838, 2146, 2668, 3404, 3676, 4292, 21137, 24679, 26651, 34003, 42274, 49358, 53302, 68006, 84548, 98716, 106604, 136012, 612973, 782069, 986087, 1225946, 1564138, 1972174, 2451892, 3128276, 3944348, 22680001, 45360002, 90720004]

約数ペア:

[(1, 90720004), (2, 45360002), (4, 22680001), (23, 3944348), (29, 3128276), (37, 2451892), (46, 1972174), (58, 1564138), (74, 1225946), (92, 986087), (116, 782069), (148, 612973), (667, 136012), (851, 106604), (919, 98716), (1073, 84548), (1334, 68006), (1702, 53302), (1838, 49358), (2146, 42274), (2668, 34003), (3404, 26651), (3676, 24679), (4292, 21137)]