216336880

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 514252800

約数和(自身を除く): 297915920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 127, 199, 214, 254, 398, 428, 508, 535, 635, 796, 856, 995, 1016, 1070, 1270, 1592, 1712, 1990, 2032, 2140, 2540, 3184, 3980, 4280, 5080, 7960, 8560, 10160, 13589, 15920, 21293, 25273, 27178, 42586, 50546, 54356, 67945, 85172, 101092, 106465, 108712, 126365, 135890, 170344, 202184, 212930, 217424, 252730, 271780, 340688, 404368, 425860, 505460, 543560, 851720, 1010920, 1087120, 1703440, 2021840, 2704211, 5408422, 10816844, 13521055, 21633688, 27042110, 43267376, 54084220, 108168440, 216336880]

約数ペア:

[(1, 216336880), (2, 108168440), (4, 54084220), (5, 43267376), (8, 27042110), (10, 21633688), (16, 13521055), (20, 10816844), (40, 5408422), (80, 2704211), (107, 2021840), (127, 1703440), (199, 1087120), (214, 1010920), (254, 851720), (398, 543560), (428, 505460), (508, 425860), (535, 404368), (635, 340688), (796, 271780), (856, 252730), (995, 217424), (1016, 212930), (1070, 202184), (1270, 170344), (1592, 135890), (1712, 126365), (1990, 108712), (2032, 106465), (2140, 101092), (2540, 85172), (3184, 67945), (3980, 54356), (4280, 50546), (5080, 42586), (7960, 27178), (8560, 25273), (10160, 21293), (13589, 15920)]