181958980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{56509}}^1$

素因数の和:56548

約数の個数: 48

約数和(自身を含む): 455696640

約数和(自身を除く): 273737660

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, 56509, 113018, 226036, 282545, 395563, 565090, 791126, 1130180, 1299707, 1582252, 1977815, 2599414, 3955630, 5198828, 6498535, 7911260, 9097949, 12997070, 18195898, 25994140, 36391796, 45489745, 90979490, 181958980]

約数ペア:

[(1, 181958980), (2, 90979490), (4, 45489745), (5, 36391796), (7, 25994140), (10, 18195898), (14, 12997070), (20, 9097949), (23, 7911260), (28, 6498535), (35, 5198828), (46, 3955630), (70, 2599414), (92, 1977815), (115, 1582252), (140, 1299707), (161, 1130180), (230, 791126), (322, 565090), (460, 395563), (644, 282545), (805, 226036), (1610, 113018), (3220, 56509)]