255328090000

素因数分解:

$2^4\times 5^4\times {\mathrm{31}}^2\times {\mathrm{163}}^2$

素因数の和:416

約数の個数: 225

約数和(自身を含む): 642702034359

約数和(自身を除く): 387373944359

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 163, 200, 248, 250, 310, 326, 400, 496, 500, 620, 625, 652, 775, 815, 961, 1000, 1240, 1250, 1304, 1550, 1630, 1922, 2000, 2480, 2500, 2608, 3100, 3260, 3844, 3875, 4075, 4805, 5000, 5053, 6200, 6520, 7688, 7750, 8150, 9610, 10000, 10106, 12400, 13040, 15376, 15500, 16300, 19220, 19375, 20212, 20375, 24025, 25265, 26569, 31000, 32600, 38440, 38750, 40424, 40750, 48050, 50530, 53138, 62000, 65200, 76880, 77500, 80848, 81500, 96100, 101060, 101875, 106276, 120125, 126325, 132845, 155000, 156643, 163000, 192200, 202120, 203750, 212552, 240250, 252650, 265690, 310000, 313286, 326000, 384400, 404240, 407500, 425104, 480500, 505300, 531380, 600625, 626572, 631625, 664225, 783215, 815000, 823639, 961000, 1010600, 1062760, 1201250, 1253144, 1263250, 1328450, 1566430, 1630000, 1647278, 1922000, 2021200, 2125520, 2402500, 2506288, 2526500, 2656900, 3132860, 3158125, 3294556, 3321125, 3916075, 4118195, 4805000, 5053000, 5313800, 6265720, 6316250, 6589112, 6642250, 7832150, 8236390, 9610000, 10106000, 10627600, 12531440, 12632500, 13178224, 13284500, 15664300, 16472780, 16605625, 19580375, 20590975, 25265000, 25532809, 26569000, 31328600, 32945560, 33211250, 39160750, 41181950, 50530000, 51065618, 53138000, 62657200, 65891120, 66422500, 78321500, 82363900, 97901875, 102131236, 102954875, 127664045, 132845000, 156643000, 164727800, 195803750, 204262472, 205909750, 255328090, 265690000, 313286000, 329455600, 391607500, 408524944, 411819500, 510656180, 514774375, 638320225, 783215000, 823639000, 1021312360, 1029548750, 1276640450, 1566430000, 1647278000, 2042624720, 2059097500, 2553280900, 3191601125, 4118195000, 5106561800, 6383202250, 8236390000, 10213123600, 12766404500, 15958005625, 25532809000, 31916011250, 51065618000, 63832022500, 127664045000, 255328090000]

約数ペア:

[(1, 255328090000), (2, 127664045000), (4, 63832022500), (5, 51065618000), (8, 31916011250), (10, 25532809000), (16, 15958005625), (20, 12766404500), (25, 10213123600), (31, 8236390000), (40, 6383202250), (50, 5106561800), (62, 4118195000), (80, 3191601125), (100, 2553280900), (124, 2059097500), (125, 2042624720), (155, 1647278000), (163, 1566430000), (200, 1276640450), (248, 1029548750), (250, 1021312360), (310, 823639000), (326, 783215000), (400, 638320225), (496, 514774375), (500, 510656180), (620, 411819500), (625, 408524944), (652, 391607500), (775, 329455600), (815, 313286000), (961, 265690000), (1000, 255328090), (1240, 205909750), (1250, 204262472), (1304, 195803750), (1550, 164727800), (1630, 156643000), (1922, 132845000), (2000, 127664045), (2480, 102954875), (2500, 102131236), (2608, 97901875), (3100, 82363900), (3260, 78321500), (3844, 66422500), (3875, 65891120), (4075, 62657200), (4805, 53138000), (5000, 51065618), (5053, 50530000), (6200, 41181950), (6520, 39160750), (7688, 33211250), (7750, 32945560), (8150, 31328600), (9610, 26569000), (10000, 25532809), (10106, 25265000), (12400, 20590975), (13040, 19580375), (15376, 16605625), (15500, 16472780), (16300, 15664300), (19220, 13284500), (19375, 13178224), (20212, 12632500), (20375, 12531440), (24025, 10627600), (25265, 10106000), (26569, 9610000), (31000, 8236390), (32600, 7832150), (38440, 6642250), (38750, 6589112), (40424, 6316250), (40750, 6265720), (48050, 5313800), (50530, 5053000), (53138, 4805000), (62000, 4118195), (65200, 3916075), (76880, 3321125), (77500, 3294556), (80848, 3158125), (81500, 3132860), (96100, 2656900), (101060, 2526500), (101875, 2506288), (106276, 2402500), (120125, 2125520), (126325, 2021200), (132845, 1922000), (155000, 1647278), (156643, 1630000), (163000, 1566430), (192200, 1328450), (202120, 1263250), (203750, 1253144), (212552, 1201250), (240250, 1062760), (252650, 1010600), (265690, 961000), (310000, 823639), (313286, 815000), (326000, 783215), (384400, 664225), (404240, 631625), (407500, 626572), (425104, 600625), (480500, 531380)]