204889520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:291

約数の個数: 160

約数和(自身を含む): 555393024

約数和(自身を除く): 350503504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 53, 55, 80, 88, 92, 106, 110, 115, 176, 184, 191, 212, 220, 230, 253, 265, 368, 382, 424, 440, 460, 506, 530, 583, 764, 848, 880, 920, 955, 1012, 1060, 1166, 1219, 1265, 1528, 1840, 1910, 2024, 2101, 2120, 2332, 2438, 2530, 2915, 3056, 3820, 4048, 4202, 4240, 4393, 4664, 4876, 5060, 5830, 6095, 7640, 8404, 8786, 9328, 9752, 10120, 10123, 10505, 11660, 12190, 13409, 15280, 16808, 17572, 19504, 20240, 20246, 21010, 21965, 23320, 24380, 26818, 33616, 35144, 40492, 42020, 43930, 46640, 48323, 48760, 50615, 53636, 67045, 70288, 80984, 84040, 87860, 96646, 97520, 101230, 107272, 111353, 134090, 161968, 168080, 175720, 193292, 202460, 214544, 222706, 232829, 241615, 268180, 351440, 386584, 404920, 445412, 465658, 483230, 536360, 556765, 773168, 809840, 890824, 931316, 966460, 1072720, 1113530, 1164145, 1781648, 1862632, 1932920, 2227060, 2328290, 2561119, 3725264, 3865840, 4454120, 4656580, 5122238, 8908240, 9313160, 10244476, 12805595, 18626320, 20488952, 25611190, 40977904, 51222380, 102444760, 204889520]

約数ペア:

[(1, 204889520), (2, 102444760), (4, 51222380), (5, 40977904), (8, 25611190), (10, 20488952), (11, 18626320), (16, 12805595), (20, 10244476), (22, 9313160), (23, 8908240), (40, 5122238), (44, 4656580), (46, 4454120), (53, 3865840), (55, 3725264), (80, 2561119), (88, 2328290), (92, 2227060), (106, 1932920), (110, 1862632), (115, 1781648), (176, 1164145), (184, 1113530), (191, 1072720), (212, 966460), (220, 931316), (230, 890824), (253, 809840), (265, 773168), (368, 556765), (382, 536360), (424, 483230), (440, 465658), (460, 445412), (506, 404920), (530, 386584), (583, 351440), (764, 268180), (848, 241615), (880, 232829), (920, 222706), (955, 214544), (1012, 202460), (1060, 193292), (1166, 175720), (1219, 168080), (1265, 161968), (1528, 134090), (1840, 111353), (1910, 107272), (2024, 101230), (2101, 97520), (2120, 96646), (2332, 87860), (2438, 84040), (2530, 80984), (2915, 70288), (3056, 67045), (3820, 53636), (4048, 50615), (4202, 48760), (4240, 48323), (4393, 46640), (4664, 43930), (4876, 42020), (5060, 40492), (5830, 35144), (6095, 33616), (7640, 26818), (8404, 24380), (8786, 23320), (9328, 21965), (9752, 21010), (10120, 20246), (10123, 20240), (10505, 19504), (11660, 17572), (12190, 16808), (13409, 15280)]