220598980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9787}}^1$

素因数の和:9833

約数の個数: 72

約数和(自身を含む): 562379328

約数和(自身を除く): 341780348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 9787, 11270, 19574, 22540, 39148, 48935, 68509, 97870, 137018, 195740, 225101, 274036, 342545, 450202, 479563, 685090, 900404, 959126, 1125505, 1370180, 1575707, 1918252, 2251010, 2397815, 3151414, 4502020, 4795630, 6302828, 7878535, 9591260, 11029949, 15757070, 22059898, 31514140, 44119796, 55149745, 110299490, 220598980]

約数ペア:

[(1, 220598980), (2, 110299490), (4, 55149745), (5, 44119796), (7, 31514140), (10, 22059898), (14, 15757070), (20, 11029949), (23, 9591260), (28, 7878535), (35, 6302828), (46, 4795630), (49, 4502020), (70, 3151414), (92, 2397815), (98, 2251010), (115, 1918252), (140, 1575707), (161, 1370180), (196, 1125505), (230, 959126), (245, 900404), (322, 685090), (460, 479563), (490, 450202), (644, 342545), (805, 274036), (980, 225101), (1127, 195740), (1610, 137018), (2254, 97870), (3220, 68509), (4508, 48935), (5635, 39148), (9787, 22540), (11270, 19574)]