890511700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 216

約数和(自身を含む): 2287353600

約数和(自身を除く): 1396841900

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 29, 46, 50, 52, 58, 65, 79, 92, 100, 115, 116, 130, 145, 158, 169, 230, 260, 290, 299, 316, 325, 338, 377, 395, 460, 575, 580, 598, 650, 667, 676, 725, 754, 790, 845, 1027, 1150, 1196, 1300, 1334, 1450, 1495, 1508, 1580, 1690, 1817, 1885, 1975, 2054, 2291, 2300, 2668, 2900, 2990, 3335, 3380, 3634, 3770, 3887, 3950, 4108, 4225, 4582, 4901, 5135, 5980, 6670, 7268, 7475, 7540, 7774, 7900, 8450, 8671, 9085, 9164, 9425, 9802, 10270, 11455, 13340, 13351, 14950, 15548, 16675, 16900, 17342, 18170, 18850, 19435, 19604, 20540, 22910, 23621, 24505, 25675, 26702, 29783, 29900, 33350, 34684, 36340, 37700, 38870, 43355, 45425, 45820, 47242, 49010, 51350, 52693, 53404, 57275, 59566, 66700, 66755, 77740, 86710, 90850, 94484, 97175, 98020, 102700, 105386, 112723, 114550, 118105, 119132, 122525, 133510, 148915, 173420, 181700, 194350, 210772, 216775, 225446, 229100, 236210, 245050, 263465, 267020, 297830, 307073, 333775, 387179, 388700, 433550, 450892, 472420, 490100, 526930, 563615, 590525, 595660, 614146, 667550, 685009, 744575, 774358, 867100, 1053860, 1127230, 1181050, 1228292, 1317325, 1335100, 1370018, 1489150, 1535365, 1548716, 1935895, 2254460, 2362100, 2634650, 2740036, 2818075, 2978300, 3070730, 3425045, 3871790, 5269300, 5636150, 6141460, 6850090, 7676825, 7743580, 8905117, 9679475, 11272300, 13700180, 15353650, 17125225, 17810234, 19358950, 30707300, 34250450, 35620468, 38717900, 44525585, 68500900, 89051170, 178102340, 222627925, 445255850, 890511700]

約数ペア:

[(1, 890511700), (2, 445255850), (4, 222627925), (5, 178102340), (10, 89051170), (13, 68500900), (20, 44525585), (23, 38717900), (25, 35620468), (26, 34250450), (29, 30707300), (46, 19358950), (50, 17810234), (52, 17125225), (58, 15353650), (65, 13700180), (79, 11272300), (92, 9679475), (100, 8905117), (115, 7743580), (116, 7676825), (130, 6850090), (145, 6141460), (158, 5636150), (169, 5269300), (230, 3871790), (260, 3425045), (290, 3070730), (299, 2978300), (316, 2818075), (325, 2740036), (338, 2634650), (377, 2362100), (395, 2254460), (460, 1935895), (575, 1548716), (580, 1535365), (598, 1489150), (650, 1370018), (667, 1335100), (676, 1317325), (725, 1228292), (754, 1181050), (790, 1127230), (845, 1053860), (1027, 867100), (1150, 774358), (1196, 744575), (1300, 685009), (1334, 667550), (1450, 614146), (1495, 595660), (1508, 590525), (1580, 563615), (1690, 526930), (1817, 490100), (1885, 472420), (1975, 450892), (2054, 433550), (2291, 388700), (2300, 387179), (2668, 333775), (2900, 307073), (2990, 297830), (3335, 267020), (3380, 263465), (3634, 245050), (3770, 236210), (3887, 229100), (3950, 225446), (4108, 216775), (4225, 210772), (4582, 194350), (4901, 181700), (5135, 173420), (5980, 148915), (6670, 133510), (7268, 122525), (7475, 119132), (7540, 118105), (7774, 114550), (7900, 112723), (8450, 105386), (8671, 102700), (9085, 98020), (9164, 97175), (9425, 94484), (9802, 90850), (10270, 86710), (11455, 77740), (13340, 66755), (13351, 66700), (14950, 59566), (15548, 57275), (16675, 53404), (16900, 52693), (17342, 51350), (18170, 49010), (18850, 47242), (19435, 45820), (19604, 45425), (20540, 43355), (22910, 38870), (23621, 37700), (24505, 36340), (25675, 34684), (26702, 33350), (29783, 29900)]