262458980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{81509}}^1$

素因数の和:81548

約数の個数: 48

約数和(自身を含む): 657296640

約数和(自身を除く): 394837660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 81509, 163018, 326036, 407545, 570563, 815090, 1141126, 1630180, 1874707, 2282252, 2852815, 3749414, 5705630, 7498828, 9373535, 11411260, 13122949, 18747070, 26245898, 37494140, 52491796, 65614745, 131229490, 262458980]

約数ペア:

[(1, 262458980), (2, 131229490), (4, 65614745), (5, 52491796), (7, 37494140), (10, 26245898), (14, 18747070), (20, 13122949), (23, 11411260), (28, 9373535), (35, 7498828), (46, 5705630), (70, 3749414), (92, 2852815), (115, 2282252), (140, 1874707), (161, 1630180), (230, 1141126), (322, 815090), (460, 570563), (644, 407545), (805, 326036), (1610, 163018), (3220, 81509)]