30497240

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1811}}^1$

素因数の和:2243

約数の個数: 32

約数和(自身を含む): 68819760

約数和(自身を除く): 38322520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 1811, 2105, 3368, 3622, 4210, 7244, 8420, 9055, 14488, 16840, 18110, 36220, 72440, 762431, 1524862, 3049724, 3812155, 6099448, 7624310, 15248620, 30497240]

約数ペア:

[(1, 30497240), (2, 15248620), (4, 7624310), (5, 6099448), (8, 3812155), (10, 3049724), (20, 1524862), (40, 762431), (421, 72440), (842, 36220), (1684, 18110), (1811, 16840), (2105, 14488), (3368, 9055), (3622, 8420), (4210, 7244)]