400314160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 992936448

約数和(自身を除く): 592622288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 127, 155, 164, 205, 248, 254, 310, 328, 410, 496, 508, 620, 635, 656, 820, 961, 1016, 1240, 1270, 1271, 1640, 1922, 2032, 2480, 2540, 2542, 3280, 3844, 3937, 4805, 5080, 5084, 5207, 6355, 7688, 7874, 9610, 10160, 10168, 10414, 12710, 15376, 15748, 19220, 19685, 20336, 20828, 25420, 26035, 31496, 38440, 39370, 39401, 41656, 50840, 52070, 62992, 76880, 78740, 78802, 83312, 101680, 104140, 122047, 157480, 157604, 161417, 197005, 208280, 244094, 314960, 315208, 322834, 394010, 416560, 488188, 610235, 630416, 645668, 788020, 807085, 976376, 1220470, 1291336, 1576040, 1614170, 1952752, 2440940, 2582672, 3152080, 3228340, 4881880, 5003927, 6456680, 9763760, 10007854, 12913360, 20015708, 25019635, 40031416, 50039270, 80062832, 100078540, 200157080, 400314160]

約数ペア:

[(1, 400314160), (2, 200157080), (4, 100078540), (5, 80062832), (8, 50039270), (10, 40031416), (16, 25019635), (20, 20015708), (31, 12913360), (40, 10007854), (41, 9763760), (62, 6456680), (80, 5003927), (82, 4881880), (124, 3228340), (127, 3152080), (155, 2582672), (164, 2440940), (205, 1952752), (248, 1614170), (254, 1576040), (310, 1291336), (328, 1220470), (410, 976376), (496, 807085), (508, 788020), (620, 645668), (635, 630416), (656, 610235), (820, 488188), (961, 416560), (1016, 394010), (1240, 322834), (1270, 315208), (1271, 314960), (1640, 244094), (1922, 208280), (2032, 197005), (2480, 161417), (2540, 157604), (2542, 157480), (3280, 122047), (3844, 104140), (3937, 101680), (4805, 83312), (5080, 78802), (5084, 78740), (5207, 76880), (6355, 62992), (7688, 52070), (7874, 50840), (9610, 41656), (10160, 39401), (10168, 39370), (10414, 38440), (12710, 31496), (15376, 26035), (15748, 25420), (19220, 20828), (19685, 20336)]