291298257560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{145903}}^1$

素因数の和:146041

約数の個数: 128

約数和(自身を含む): 718548019200

約数和(自身を除く): 427249761640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 71, 74, 76, 95, 142, 148, 152, 185, 190, 284, 296, 355, 370, 380, 568, 703, 710, 740, 760, 1349, 1406, 1420, 1480, 2627, 2698, 2812, 2840, 3515, 5254, 5396, 5624, 6745, 7030, 10508, 10792, 13135, 13490, 14060, 21016, 26270, 26980, 28120, 49913, 52540, 53960, 99826, 105080, 145903, 199652, 249565, 291806, 399304, 499130, 583612, 729515, 998260, 1167224, 1459030, 1996520, 2772157, 2918060, 5398411, 5544314, 5836120, 10359113, 10796822, 11088628, 13860785, 20718226, 21593644, 22177256, 26992055, 27721570, 41436452, 43187288, 51795565, 53984110, 55443140, 82872904, 102569809, 103591130, 107968220, 110886280, 196823147, 205139618, 207182260, 215936440, 383287181, 393646294, 410279236, 414364520, 512849045, 766574362, 787292588, 820558472, 984115735, 1025698090, 1533148724, 1574585176, 1916435905, 1968231470, 2051396180, 3066297448, 3832871810, 3936462940, 4102792360, 7282456439, 7665743620, 7872925880, 14564912878, 15331487240, 29129825756, 36412282195, 58259651512, 72824564390, 145649128780, 291298257560]

約数ペア:

[(1, 291298257560), (2, 145649128780), (4, 72824564390), (5, 58259651512), (8, 36412282195), (10, 29129825756), (19, 15331487240), (20, 14564912878), (37, 7872925880), (38, 7665743620), (40, 7282456439), (71, 4102792360), (74, 3936462940), (76, 3832871810), (95, 3066297448), (142, 2051396180), (148, 1968231470), (152, 1916435905), (185, 1574585176), (190, 1533148724), (284, 1025698090), (296, 984115735), (355, 820558472), (370, 787292588), (380, 766574362), (568, 512849045), (703, 414364520), (710, 410279236), (740, 393646294), (760, 383287181), (1349, 215936440), (1406, 207182260), (1420, 205139618), (1480, 196823147), (2627, 110886280), (2698, 107968220), (2812, 103591130), (2840, 102569809), (3515, 82872904), (5254, 55443140), (5396, 53984110), (5624, 51795565), (6745, 43187288), (7030, 41436452), (10508, 27721570), (10792, 26992055), (13135, 22177256), (13490, 21593644), (14060, 20718226), (21016, 13860785), (26270, 11088628), (26980, 10796822), (28120, 10359113), (49913, 5836120), (52540, 5544314), (53960, 5398411), (99826, 2918060), (105080, 2772157), (145903, 1996520), (199652, 1459030), (249565, 1167224), (291806, 998260), (399304, 729515), (499130, 583612)]