170997880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:1000

約数の個数: 64

約数和(自身を含む): 397716480

約数和(自身を除く): 226718600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 127, 164, 205, 254, 328, 410, 508, 635, 820, 821, 1016, 1270, 1640, 1642, 2540, 3284, 4105, 5080, 5207, 6568, 8210, 10414, 16420, 20828, 26035, 32840, 33661, 41656, 52070, 67322, 104140, 104267, 134644, 168305, 208280, 208534, 269288, 336610, 417068, 521335, 673220, 834136, 1042670, 1346440, 2085340, 4170680, 4274947, 8549894, 17099788, 21374735, 34199576, 42749470, 85498940, 170997880]

約数ペア:

[(1, 170997880), (2, 85498940), (4, 42749470), (5, 34199576), (8, 21374735), (10, 17099788), (20, 8549894), (40, 4274947), (41, 4170680), (82, 2085340), (127, 1346440), (164, 1042670), (205, 834136), (254, 673220), (328, 521335), (410, 417068), (508, 336610), (635, 269288), (820, 208534), (821, 208280), (1016, 168305), (1270, 134644), (1640, 104267), (1642, 104140), (2540, 67322), (3284, 52070), (4105, 41656), (5080, 33661), (5207, 32840), (6568, 26035), (8210, 20828), (10414, 16420)]